Home / 42,248.32-63,366.72-11,080.96

Finding the Fourth Proportional to 42,248.32, 63,366.72 and 11,080.96

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Solution

The fourth proportional to 42,248.32, 63,366.72 and 11,080.96 is: 16,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,248.32 : 63,366.72 = 11,080.96 : x
  2. Step 2: Convert to fraction form
    42,248.32/63,366.72 = 11,080.96/x
  3. Step 3: Cross multiply
    42,248.32x = 63,366.72 × 11,080.96
  4. Step 4: Simplify right side
    42,248.32x = 702,164,089.65
  5. Step 5: Solve for x
    x = 702,164,089.65/42,248.32
  6. Step 6: Final answer
    x = 16,619.93

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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.