Home / 31,132.46-46,701.59-12,407.96

Finding the Fourth Proportional to 31,132.46, 46,701.59 and 12,407.96

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Solution

The fourth proportional to 31,132.46, 46,701.59 and 12,407.96 is: 18,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,132.46 : 46,701.59 = 12,407.96 : x
  2. Step 2: Convert to fraction form
    31,132.46/46,701.59 = 12,407.96/x
  3. Step 3: Cross multiply
    31,132.46x = 46,701.59 × 12,407.96
  4. Step 4: Simplify right side
    31,132.46x = 579,471,165.11
  5. Step 5: Solve for x
    x = 579,471,165.11/31,132.46
  6. Step 6: Final answer
    x = 18,613.09

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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.