Home / 47,934.62-71,921.67-19,860.32

Finding the Fourth Proportional to 47,934.62, 71,921.67 and 19,860.32

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Solution

The fourth proportional to 47,934.62, 71,921.67 and 19,860.32 is: 29,798.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,934.62 : 71,921.67 = 19,860.32 : x
  2. Step 2: Convert to fraction form
    47,934.62/71,921.67 = 19,860.32/x
  3. Step 3: Cross multiply
    47,934.62x = 71,921.67 × 19,860.32
  4. Step 4: Simplify right side
    47,934.62x = 1,428,387,598.18
  5. Step 5: Solve for x
    x = 1,428,387,598.18/47,934.62
  6. Step 6: Final answer
    x = 29,798.66

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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.