Home / 42,647.32-63,957.12-14,176.62

Finding the Fourth Proportional to 42,647.32, 63,957.12 and 14,176.62

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Solution

The fourth proportional to 42,647.32, 63,957.12 and 14,176.62 is: 21,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,647.32 : 63,957.12 = 14,176.62 : x
  2. Step 2: Convert to fraction form
    42,647.32/63,957.12 = 14,176.62/x
  3. Step 3: Cross multiply
    42,647.32x = 63,957.12 × 14,176.62
  4. Step 4: Simplify right side
    42,647.32x = 906,695,933.04
  5. Step 5: Solve for x
    x = 906,695,933.04/42,647.32
  6. Step 6: Final answer
    x = 21,260.33

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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.