Home / 38,459.29-57,686.20-10,380.95

Finding the Fourth Proportional to 38,459.29, 57,686.20 and 10,380.95

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Solution

The fourth proportional to 38,459.29, 57,686.20 and 10,380.95 is: 15,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459.29 : 57,686.20 = 10,380.95 : x
  2. Step 2: Convert to fraction form
    38,459.29/57,686.20 = 10,380.95/x
  3. Step 3: Cross multiply
    38,459.29x = 57,686.20 × 10,380.95
  4. Step 4: Simplify right side
    38,459.29x = 598,837,557.89
  5. Step 5: Solve for x
    x = 598,837,557.89/38,459.29
  6. Step 6: Final answer
    x = 15,570.69

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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.