Home / 38,475.60-57,713.40-12,180.30

Finding the Fourth Proportional to 38,475.60, 57,713.40 and 12,180.30

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Solution

The fourth proportional to 38,475.60, 57,713.40 and 12,180.30 is: 18,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.60 : 57,713.40 = 12,180.30 : x
  2. Step 2: Convert to fraction form
    38,475.60/57,713.40 = 12,180.30/x
  3. Step 3: Cross multiply
    38,475.60x = 57,713.40 × 12,180.30
  4. Step 4: Simplify right side
    38,475.60x = 702,966,526.02
  5. Step 5: Solve for x
    x = 702,966,526.02/38,475.60
  6. Step 6: Final answer
    x = 18,270.45

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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.