Home / 42,130.69-63,202.52-15,837.28

Finding the Fourth Proportional to 42,130.69, 63,202.52 and 15,837.28

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Solution

The fourth proportional to 42,130.69, 63,202.52 and 15,837.28 is: 23,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,130.69 : 63,202.52 = 15,837.28 : x
  2. Step 2: Convert to fraction form
    42,130.69/63,202.52 = 15,837.28/x
  3. Step 3: Cross multiply
    42,130.69x = 63,202.52 × 15,837.28
  4. Step 4: Simplify right side
    42,130.69x = 1,000,956,005.95
  5. Step 5: Solve for x
    x = 1,000,956,005.95/42,130.69
  6. Step 6: Final answer
    x = 23,758.36

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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.