Home / 37,484.16-51,729.24-20,489.34

Finding the Fourth Proportional to 37,484.16, 51,729.24 and 20,489.34

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Solution

The fourth proportional to 37,484.16, 51,729.24 and 20,489.34 is: 28,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,484.16 : 51,729.24 = 20,489.34 : x
  2. Step 2: Convert to fraction form
    37,484.16/51,729.24 = 20,489.34/x
  3. Step 3: Cross multiply
    37,484.16x = 51,729.24 × 20,489.34
  4. Step 4: Simplify right side
    37,484.16x = 1,059,897,986.30
  5. Step 5: Solve for x
    x = 1,059,897,986.30/37,484.16
  6. Step 6: Final answer
    x = 28,275.89

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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.