Home / 47,480.64-71,220.16-19,394.52

Finding the Fourth Proportional to 47,480.64, 71,220.16 and 19,394.52

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Solution

The fourth proportional to 47,480.64, 71,220.16 and 19,394.52 is: 29,091.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480.64 : 71,220.16 = 19,394.52 : x
  2. Step 2: Convert to fraction form
    47,480.64/71,220.16 = 19,394.52/x
  3. Step 3: Cross multiply
    47,480.64x = 71,220.16 × 19,394.52
  4. Step 4: Simplify right side
    47,480.64x = 1,381,280,817.52
  5. Step 5: Solve for x
    x = 1,381,280,817.52/47,480.64
  6. Step 6: Final answer
    x = 29,091.45

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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.