Home / 47,132.52-70,706.64-21,857.34

Finding the Fourth Proportional to 47,132.52, 70,706.64 and 21,857.34

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Solution

The fourth proportional to 47,132.52, 70,706.64 and 21,857.34 is: 32,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,132.52 : 70,706.64 = 21,857.34 : x
  2. Step 2: Convert to fraction form
    47,132.52/70,706.64 = 21,857.34/x
  3. Step 3: Cross multiply
    47,132.52x = 70,706.64 × 21,857.34
  4. Step 4: Simplify right side
    47,132.52x = 1,545,459,070.74
  5. Step 5: Solve for x
    x = 1,545,459,070.74/47,132.52
  6. Step 6: Final answer
    x = 32,789.66

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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.