Home / 47,793.40-71,686.50-19,332.16

Finding the Fourth Proportional to 47,793.40, 71,686.50 and 19,332.16

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Solution

The fourth proportional to 47,793.40, 71,686.50 and 19,332.16 is: 28,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,793.40 : 71,686.50 = 19,332.16 : x
  2. Step 2: Convert to fraction form
    47,793.40/71,686.50 = 19,332.16/x
  3. Step 3: Cross multiply
    47,793.40x = 71,686.50 × 19,332.16
  4. Step 4: Simplify right side
    47,793.40x = 1,385,854,887.84
  5. Step 5: Solve for x
    x = 1,385,854,887.84/47,793.40
  6. Step 6: Final answer
    x = 28,996.78

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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.