Home / 47,933.36-71,909.45-14,658.15

Finding the Fourth Proportional to 47,933.36, 71,909.45 and 14,658.15

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Solution

The fourth proportional to 47,933.36, 71,909.45 and 14,658.15 is: 21,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,933.36 : 71,909.45 = 14,658.15 : x
  2. Step 2: Convert to fraction form
    47,933.36/71,909.45 = 14,658.15/x
  3. Step 3: Cross multiply
    47,933.36x = 71,909.45 × 14,658.15
  4. Step 4: Simplify right side
    47,933.36x = 1,054,059,504.52
  5. Step 5: Solve for x
    x = 1,054,059,504.52/47,933.36
  6. Step 6: Final answer
    x = 21,990.10

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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.