Home / 31,913.62-44,040-17,766.16

Finding the Fourth Proportional to 31,913.62, 44,040 and 17,766.16

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Solution

The fourth proportional to 31,913.62, 44,040 and 17,766.16 is: 24,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,913.62 : 44,040 = 17,766.16 : x
  2. Step 2: Convert to fraction form
    31,913.62/44,040 = 17,766.16/x
  3. Step 3: Cross multiply
    31,913.62x = 44,040 × 17,766.16
  4. Step 4: Simplify right side
    31,913.62x = 782,421,686.40
  5. Step 5: Solve for x
    x = 782,421,686.40/31,913.62
  6. Step 6: Final answer
    x = 24,516.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.