Home / 37,487.42-51,731.66-20,491.70

Finding the Fourth Proportional to 37,487.42, 51,731.66 and 20,491.70

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Solution

The fourth proportional to 37,487.42, 51,731.66 and 20,491.70 is: 28,278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,487.42 : 51,731.66 = 20,491.70 : x
  2. Step 2: Convert to fraction form
    37,487.42/51,731.66 = 20,491.70/x
  3. Step 3: Cross multiply
    37,487.42x = 51,731.66 × 20,491.70
  4. Step 4: Simplify right side
    37,487.42x = 1,060,069,296.11
  5. Step 5: Solve for x
    x = 1,060,069,296.11/37,487.42
  6. Step 6: Final answer
    x = 28,278.00

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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.