Home / 42,534.91-63,804.80-12,552.36

Finding the Fourth Proportional to 42,534.91, 63,804.80 and 12,552.36

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Solution

The fourth proportional to 42,534.91, 63,804.80 and 12,552.36 is: 18,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,534.91 : 63,804.80 = 12,552.36 : x
  2. Step 2: Convert to fraction form
    42,534.91/63,804.80 = 12,552.36/x
  3. Step 3: Cross multiply
    42,534.91x = 63,804.80 × 12,552.36
  4. Step 4: Simplify right side
    42,534.91x = 800,900,819.33
  5. Step 5: Solve for x
    x = 800,900,819.33/42,534.91
  6. Step 6: Final answer
    x = 18,829.26

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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.