Home / 42,418.15-63,627.39-14,338.42

Finding the Fourth Proportional to 42,418.15, 63,627.39 and 14,338.42

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Solution

The fourth proportional to 42,418.15, 63,627.39 and 14,338.42 is: 21,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,418.15 : 63,627.39 = 14,338.42 : x
  2. Step 2: Convert to fraction form
    42,418.15/63,627.39 = 14,338.42/x
  3. Step 3: Cross multiply
    42,418.15x = 63,627.39 × 14,338.42
  4. Step 4: Simplify right side
    42,418.15x = 912,316,082.26
  5. Step 5: Solve for x
    x = 912,316,082.26/42,418.15
  6. Step 6: Final answer
    x = 21,507.68

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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.