Home / 37,421.70-51,661.08-28,904.76

Finding the Fourth Proportional to 37,421.70, 51,661.08 and 28,904.76

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Solution

The fourth proportional to 37,421.70, 51,661.08 and 28,904.76 is: 39,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,421.70 : 51,661.08 = 28,904.76 : x
  2. Step 2: Convert to fraction form
    37,421.70/51,661.08 = 28,904.76/x
  3. Step 3: Cross multiply
    37,421.70x = 51,661.08 × 28,904.76
  4. Step 4: Simplify right side
    37,421.70x = 1,493,251,118.74
  5. Step 5: Solve for x
    x = 1,493,251,118.74/37,421.70
  6. Step 6: Final answer
    x = 39,903.35

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Half scale
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Double scale
Find fourth proportional to 37,422.70, 51,662.46 and 28,905.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.