Home / 47,854.46-71,728.81-19,759.03

Finding the Fourth Proportional to 47,854.46, 71,728.81 and 19,759.03

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Solution

The fourth proportional to 47,854.46, 71,728.81 and 19,759.03 is: 29,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,854.46 : 71,728.81 = 19,759.03 : x
  2. Step 2: Convert to fraction form
    47,854.46/71,728.81 = 19,759.03/x
  3. Step 3: Cross multiply
    47,854.46x = 71,728.81 × 19,759.03
  4. Step 4: Simplify right side
    47,854.46x = 1,417,291,479.93
  5. Step 5: Solve for x
    x = 1,417,291,479.93/47,854.46
  6. Step 6: Final answer
    x = 29,616.70

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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.