Home / 47,445.48-71,122.14-19,751.40

Finding the Fourth Proportional to 47,445.48, 71,122.14 and 19,751.40

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Solution

The fourth proportional to 47,445.48, 71,122.14 and 19,751.40 is: 29,607.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,445.48 : 71,122.14 = 19,751.40 : x
  2. Step 2: Convert to fraction form
    47,445.48/71,122.14 = 19,751.40/x
  3. Step 3: Cross multiply
    47,445.48x = 71,122.14 × 19,751.40
  4. Step 4: Simplify right side
    47,445.48x = 1,404,761,836.00
  5. Step 5: Solve for x
    x = 1,404,761,836.00/47,445.48
  6. Step 6: Final answer
    x = 29,607.92

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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.