Home / 42,055.17-63,073.02-12,465.87

Finding the Fourth Proportional to 42,055.17, 63,073.02 and 12,465.87

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Solution

The fourth proportional to 42,055.17, 63,073.02 and 12,465.87 is: 18,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,055.17 : 63,073.02 = 12,465.87 : x
  2. Step 2: Convert to fraction form
    42,055.17/63,073.02 = 12,465.87/x
  3. Step 3: Cross multiply
    42,055.17x = 63,073.02 × 12,465.87
  4. Step 4: Simplify right side
    42,055.17x = 786,259,878.05
  5. Step 5: Solve for x
    x = 786,259,878.05/42,055.17
  6. Step 6: Final answer
    x = 18,695.92

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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.