Home / 47,772.40-71,572.20-38,959.60

Finding the Fourth Proportional to 47,772.40, 71,572.20 and 38,959.60

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Solution

The fourth proportional to 47,772.40, 71,572.20 and 38,959.60 is: 58,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,772.40 : 71,572.20 = 38,959.60 : x
  2. Step 2: Convert to fraction form
    47,772.40/71,572.20 = 38,959.60/x
  3. Step 3: Cross multiply
    47,772.40x = 71,572.20 × 38,959.60
  4. Step 4: Simplify right side
    47,772.40x = 2,788,424,283.12
  5. Step 5: Solve for x
    x = 2,788,424,283.12/47,772.40
  6. Step 6: Final answer
    x = 58,368.94

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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.