Home / 42,489.02-63,733.50-20,234.93

Finding the Fourth Proportional to 42,489.02, 63,733.50 and 20,234.93

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Solution

The fourth proportional to 42,489.02, 63,733.50 and 20,234.93 is: 30,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,489.02 : 63,733.50 = 20,234.93 : x
  2. Step 2: Convert to fraction form
    42,489.02/63,733.50 = 20,234.93/x
  3. Step 3: Cross multiply
    42,489.02x = 63,733.50 × 20,234.93
  4. Step 4: Simplify right side
    42,489.02x = 1,289,642,592.49
  5. Step 5: Solve for x
    x = 1,289,642,592.49/42,489.02
  6. Step 6: Final answer
    x = 30,352.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.