Home / 31,988.20-44,143.57-17,647.64

Finding the Fourth Proportional to 31,988.20, 44,143.57 and 17,647.64

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Solution

The fourth proportional to 31,988.20, 44,143.57 and 17,647.64 is: 24,353.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.20 : 44,143.57 = 17,647.64 : x
  2. Step 2: Convert to fraction form
    31,988.20/44,143.57 = 17,647.64/x
  3. Step 3: Cross multiply
    31,988.20x = 44,143.57 × 17,647.64
  4. Step 4: Simplify right side
    31,988.20x = 779,029,831.67
  5. Step 5: Solve for x
    x = 779,029,831.67/31,988.20
  6. Step 6: Final answer
    x = 24,353.66

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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.