Home / 38,115.40-57,230.70-29,360.20

Finding the Fourth Proportional to 38,115.40, 57,230.70 and 29,360.20

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Solution

The fourth proportional to 38,115.40, 57,230.70 and 29,360.20 is: 44,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115.40 : 57,230.70 = 29,360.20 : x
  2. Step 2: Convert to fraction form
    38,115.40/57,230.70 = 29,360.20/x
  3. Step 3: Cross multiply
    38,115.40x = 57,230.70 × 29,360.20
  4. Step 4: Simplify right side
    38,115.40x = 1,680,304,798.14
  5. Step 5: Solve for x
    x = 1,680,304,798.14/38,115.40
  6. Step 6: Final answer
    x = 44,084.67

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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.