Home / 42,143.08-63,175.56-15,865.24

Finding the Fourth Proportional to 42,143.08, 63,175.56 and 15,865.24

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Solution

The fourth proportional to 42,143.08, 63,175.56 and 15,865.24 is: 23,783.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,143.08 : 63,175.56 = 15,865.24 : x
  2. Step 2: Convert to fraction form
    42,143.08/63,175.56 = 15,865.24/x
  3. Step 3: Cross multiply
    42,143.08x = 63,175.56 × 15,865.24
  4. Step 4: Simplify right side
    42,143.08x = 1,002,295,421.53
  5. Step 5: Solve for x
    x = 1,002,295,421.53/42,143.08
  6. Step 6: Final answer
    x = 23,783.16

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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.