Home / 38,400.29-57,600.48-25,311.11

Finding the Fourth Proportional to 38,400.29, 57,600.48 and 25,311.11

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Solution

The fourth proportional to 38,400.29, 57,600.48 and 25,311.11 is: 37,966.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400.29 : 57,600.48 = 25,311.11 : x
  2. Step 2: Convert to fraction form
    38,400.29/57,600.48 = 25,311.11/x
  3. Step 3: Cross multiply
    38,400.29x = 57,600.48 × 25,311.11
  4. Step 4: Simplify right side
    38,400.29x = 1,457,931,958.78
  5. Step 5: Solve for x
    x = 1,457,931,958.78/38,400.29
  6. Step 6: Final answer
    x = 37,966.69

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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.