Home / 37,484.28-51,731.60-20,720.52

Finding the Fourth Proportional to 37,484.28, 51,731.60 and 20,720.52

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Solution

The fourth proportional to 37,484.28, 51,731.60 and 20,720.52 is: 28,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,484.28 : 51,731.60 = 20,720.52 : x
  2. Step 2: Convert to fraction form
    37,484.28/51,731.60 = 20,720.52/x
  3. Step 3: Cross multiply
    37,484.28x = 51,731.60 × 20,720.52
  4. Step 4: Simplify right side
    37,484.28x = 1,071,905,652.43
  5. Step 5: Solve for x
    x = 1,071,905,652.43/37,484.28
  6. Step 6: Final answer
    x = 28,596.14

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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.