Home / 31,011.13-42,794.43-17,583.61

Finding the Fourth Proportional to 31,011.13, 42,794.43 and 17,583.61

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Solution

The fourth proportional to 31,011.13, 42,794.43 and 17,583.61 is: 24,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,011.13 : 42,794.43 = 17,583.61 : x
  2. Step 2: Convert to fraction form
    31,011.13/42,794.43 = 17,583.61/x
  3. Step 3: Cross multiply
    31,011.13x = 42,794.43 × 17,583.61
  4. Step 4: Simplify right side
    31,011.13x = 752,480,567.29
  5. Step 5: Solve for x
    x = 752,480,567.29/31,011.13
  6. Step 6: Final answer
    x = 24,264.85

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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.