Home / 42,418.14-63,606.96-15,755.64

Finding the Fourth Proportional to 42,418.14, 63,606.96 and 15,755.64

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Solution

The fourth proportional to 42,418.14, 63,606.96 and 15,755.64 is: 23,625.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,418.14 : 63,606.96 = 15,755.64 : x
  2. Step 2: Convert to fraction form
    42,418.14/63,606.96 = 15,755.64/x
  3. Step 3: Cross multiply
    42,418.14x = 63,606.96 × 15,755.64
  4. Step 4: Simplify right side
    42,418.14x = 1,002,168,363.25
  5. Step 5: Solve for x
    x = 1,002,168,363.25/42,418.14
  6. Step 6: Final answer
    x = 23,625.94

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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.