Home / 47,590.75-71,386.13-19,888.75

Finding the Fourth Proportional to 47,590.75, 71,386.13 and 19,888.75

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Solution

The fourth proportional to 47,590.75, 71,386.13 and 19,888.75 is: 29,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,590.75 : 71,386.13 = 19,888.75 : x
  2. Step 2: Convert to fraction form
    47,590.75/71,386.13 = 19,888.75/x
  3. Step 3: Cross multiply
    47,590.75x = 71,386.13 × 19,888.75
  4. Step 4: Simplify right side
    47,590.75x = 1,419,780,893.04
  5. Step 5: Solve for x
    x = 1,419,780,893.04/47,590.75
  6. Step 6: Final answer
    x = 29,833.13

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1.5x scale

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.