Home / 37,630.12-51,930.15-20,635.91

Finding the Fourth Proportional to 37,630.12, 51,930.15 and 20,635.91

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Solution

The fourth proportional to 37,630.12, 51,930.15 and 20,635.91 is: 28,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.12 : 51,930.15 = 20,635.91 : x
  2. Step 2: Convert to fraction form
    37,630.12/51,930.15 = 20,635.91/x
  3. Step 3: Cross multiply
    37,630.12x = 51,930.15 × 20,635.91
  4. Step 4: Simplify right side
    37,630.12x = 1,071,625,798.51
  5. Step 5: Solve for x
    x = 1,071,625,798.51/37,630.12
  6. Step 6: Final answer
    x = 28,477.88

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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.