Home / 47,392.46-71,088.48-19,306.25

Finding the Fourth Proportional to 47,392.46, 71,088.48 and 19,306.25

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Solution

The fourth proportional to 47,392.46, 71,088.48 and 19,306.25 is: 28,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,392.46 : 71,088.48 = 19,306.25 : x
  2. Step 2: Convert to fraction form
    47,392.46/71,088.48 = 19,306.25/x
  3. Step 3: Cross multiply
    47,392.46x = 71,088.48 × 19,306.25
  4. Step 4: Simplify right side
    47,392.46x = 1,372,451,967
  5. Step 5: Solve for x
    x = 1,372,451,967/47,392.46
  6. Step 6: Final answer
    x = 28,959.29

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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.