Home / 37,429.19-51,662.70-21,518.76

Finding the Fourth Proportional to 37,429.19, 51,662.70 and 21,518.76

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Solution

The fourth proportional to 37,429.19, 51,662.70 and 21,518.76 is: 29,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,429.19 : 51,662.70 = 21,518.76 : x
  2. Step 2: Convert to fraction form
    37,429.19/51,662.70 = 21,518.76/x
  3. Step 3: Cross multiply
    37,429.19x = 51,662.70 × 21,518.76
  4. Step 4: Simplify right side
    37,429.19x = 1,111,717,242.25
  5. Step 5: Solve for x
    x = 1,111,717,242.25/37,429.19
  6. Step 6: Final answer
    x = 29,701.88

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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.