Home / 38,475.72-57,708.54-12,180.60

Finding the Fourth Proportional to 38,475.72, 57,708.54 and 12,180.60

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Solution

The fourth proportional to 38,475.72, 57,708.54 and 12,180.60 is: 18,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,475.72 : 57,708.54 = 12,180.60 : x
  2. Step 2: Convert to fraction form
    38,475.72/57,708.54 = 12,180.60/x
  3. Step 3: Cross multiply
    38,475.72x = 57,708.54 × 12,180.60
  4. Step 4: Simplify right side
    38,475.72x = 702,924,642.32
  5. Step 5: Solve for x
    x = 702,924,642.32/38,475.72
  6. Step 6: Final answer
    x = 18,269.30

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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.