Home / 42,454.56-63,706.08-19,080.96

Finding the Fourth Proportional to 42,454.56, 63,706.08 and 19,080.96

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Solution

The fourth proportional to 42,454.56, 63,706.08 and 19,080.96 is: 28,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,454.56 : 63,706.08 = 19,080.96 : x
  2. Step 2: Convert to fraction form
    42,454.56/63,706.08 = 19,080.96/x
  3. Step 3: Cross multiply
    42,454.56x = 63,706.08 × 19,080.96
  4. Step 4: Simplify right side
    42,454.56x = 1,215,573,164.24
  5. Step 5: Solve for x
    x = 1,215,573,164.24/42,454.56
  6. Step 6: Final answer
    x = 28,632.33

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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.