Home / 31,931.70-44,067.11-17,784.55

Finding the Fourth Proportional to 31,931.70, 44,067.11 and 17,784.55

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Solution

The fourth proportional to 31,931.70, 44,067.11 and 17,784.55 is: 24,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,931.70 : 44,067.11 = 17,784.55 : x
  2. Step 2: Convert to fraction form
    31,931.70/44,067.11 = 17,784.55/x
  3. Step 3: Cross multiply
    31,931.70x = 44,067.11 × 17,784.55
  4. Step 4: Simplify right side
    31,931.70x = 783,713,411.89
  5. Step 5: Solve for x
    x = 783,713,411.89/31,931.70
  6. Step 6: Final answer
    x = 24,543.43

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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.