Home / 31,887.66-44,003.70-17,740.20

Finding the Fourth Proportional to 31,887.66, 44,003.70 and 17,740.20

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Solution

The fourth proportional to 31,887.66, 44,003.70 and 17,740.20 is: 24,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,887.66 : 44,003.70 = 17,740.20 : x
  2. Step 2: Convert to fraction form
    31,887.66/44,003.70 = 17,740.20/x
  3. Step 3: Cross multiply
    31,887.66x = 44,003.70 × 17,740.20
  4. Step 4: Simplify right side
    31,887.66x = 780,634,438.74
  5. Step 5: Solve for x
    x = 780,634,438.74/31,887.66
  6. Step 6: Final answer
    x = 24,480.77

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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.