Home / 42,193.05-63,287.88-10,603.36

Finding the Fourth Proportional to 42,193.05, 63,287.88 and 10,603.36

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Solution

The fourth proportional to 42,193.05, 63,287.88 and 10,603.36 is: 15,904.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,193.05 : 63,287.88 = 10,603.36 : x
  2. Step 2: Convert to fraction form
    42,193.05/63,287.88 = 10,603.36/x
  3. Step 3: Cross multiply
    42,193.05x = 63,287.88 × 10,603.36
  4. Step 4: Simplify right side
    42,193.05x = 671,064,175.28
  5. Step 5: Solve for x
    x = 671,064,175.28/42,193.05
  6. Step 6: Final answer
    x = 15,904.61

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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.