Home / 38,472.23-57,702.56-12,173.55

Finding the Fourth Proportional to 38,472.23, 57,702.56 and 12,173.55

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Solution

The fourth proportional to 38,472.23, 57,702.56 and 12,173.55 is: 18,258.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,472.23 : 57,702.56 = 12,173.55 : x
  2. Step 2: Convert to fraction form
    38,472.23/57,702.56 = 12,173.55/x
  3. Step 3: Cross multiply
    38,472.23x = 57,702.56 × 12,173.55
  4. Step 4: Simplify right side
    38,472.23x = 702,444,999.29
  5. Step 5: Solve for x
    x = 702,444,999.29/38,472.23
  6. Step 6: Final answer
    x = 18,258.49

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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.