Home / 40,833.79-61,234.84-15,870.54

Finding the Fourth Proportional to 40,833.79, 61,234.84 and 15,870.54

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Solution

The fourth proportional to 40,833.79, 61,234.84 and 15,870.54 is: 23,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,833.79 : 61,234.84 = 15,870.54 : x
  2. Step 2: Convert to fraction form
    40,833.79/61,234.84 = 15,870.54/x
  3. Step 3: Cross multiply
    40,833.79x = 61,234.84 × 15,870.54
  4. Step 4: Simplify right side
    40,833.79x = 971,829,977.61
  5. Step 5: Solve for x
    x = 971,829,977.61/40,833.79
  6. Step 6: Final answer
    x = 23,799.65

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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.