Home / 38,248.60-57,356.70-18,533.20

Finding the Fourth Proportional to 38,248.60, 57,356.70 and 18,533.20

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Solution

The fourth proportional to 38,248.60, 57,356.70 and 18,533.20 is: 27,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,248.60 : 57,356.70 = 18,533.20 : x
  2. Step 2: Convert to fraction form
    38,248.60/57,356.70 = 18,533.20/x
  3. Step 3: Cross multiply
    38,248.60x = 57,356.70 × 18,533.20
  4. Step 4: Simplify right side
    38,248.60x = 1,063,003,192.44
  5. Step 5: Solve for x
    x = 1,063,003,192.44/38,248.60
  6. Step 6: Final answer
    x = 27,791.95

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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.