Home / 34,761.68-52,131.80-12,572.40

Finding the Fourth Proportional to 34,761.68, 52,131.80 and 12,572.40

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Solution

The fourth proportional to 34,761.68, 52,131.80 and 12,572.40 is: 18,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,761.68 : 52,131.80 = 12,572.40 : x
  2. Step 2: Convert to fraction form
    34,761.68/52,131.80 = 12,572.40/x
  3. Step 3: Cross multiply
    34,761.68x = 52,131.80 × 12,572.40
  4. Step 4: Simplify right side
    34,761.68x = 655,421,842.32
  5. Step 5: Solve for x
    x = 655,421,842.32/34,761.68
  6. Step 6: Final answer
    x = 18,854.72

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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.