Home / 47,548.80-71,206.56-31,919.04

Finding the Fourth Proportional to 47,548.80, 71,206.56 and 31,919.04

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Solution

The fourth proportional to 47,548.80, 71,206.56 and 31,919.04 is: 47,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,548.80 : 71,206.56 = 31,919.04 : x
  2. Step 2: Convert to fraction form
    47,548.80/71,206.56 = 31,919.04/x
  3. Step 3: Cross multiply
    47,548.80x = 71,206.56 × 31,919.04
  4. Step 4: Simplify right side
    47,548.80x = 2,272,845,036.90
  5. Step 5: Solve for x
    x = 2,272,845,036.90/47,548.80
  6. Step 6: Final answer
    x = 47,800.26

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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.