Home / 42,272.30-63,406.27-14,192.57

Finding the Fourth Proportional to 42,272.30, 63,406.27 and 14,192.57

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Solution

The fourth proportional to 42,272.30, 63,406.27 and 14,192.57 is: 21,288.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,272.30 : 63,406.27 = 14,192.57 : x
  2. Step 2: Convert to fraction form
    42,272.30/63,406.27 = 14,192.57/x
  3. Step 3: Cross multiply
    42,272.30x = 63,406.27 × 14,192.57
  4. Step 4: Simplify right side
    42,272.30x = 899,897,925.41
  5. Step 5: Solve for x
    x = 899,897,925.41/42,272.30
  6. Step 6: Final answer
    x = 21,288.12

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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.