Home / 42,432.65-63,649.14-14,352.92

Finding the Fourth Proportional to 42,432.65, 63,649.14 and 14,352.92

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Solution

The fourth proportional to 42,432.65, 63,649.14 and 14,352.92 is: 21,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,432.65 : 63,649.14 = 14,352.92 : x
  2. Step 2: Convert to fraction form
    42,432.65/63,649.14 = 14,352.92/x
  3. Step 3: Cross multiply
    42,432.65x = 63,649.14 × 14,352.92
  4. Step 4: Simplify right side
    42,432.65x = 913,551,014.49
  5. Step 5: Solve for x
    x = 913,551,014.49/42,432.65
  6. Step 6: Final answer
    x = 21,529.44

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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.