Home / 42,304.28-63,460.32-13,841.40

Finding the Fourth Proportional to 42,304.28, 63,460.32 and 13,841.40

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Solution

The fourth proportional to 42,304.28, 63,460.32 and 13,841.40 is: 20,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,304.28 : 63,460.32 = 13,841.40 : x
  2. Step 2: Convert to fraction form
    42,304.28/63,460.32 = 13,841.40/x
  3. Step 3: Cross multiply
    42,304.28x = 63,460.32 × 13,841.40
  4. Step 4: Simplify right side
    42,304.28x = 878,379,673.25
  5. Step 5: Solve for x
    x = 878,379,673.25/42,304.28
  6. Step 6: Final answer
    x = 20,763.38

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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.