Home / 31,990.36-44,146.86-17,650.72

Finding the Fourth Proportional to 31,990.36, 44,146.86 and 17,650.72

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Solution

The fourth proportional to 31,990.36, 44,146.86 and 17,650.72 is: 24,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990.36 : 44,146.86 = 17,650.72 : x
  2. Step 2: Convert to fraction form
    31,990.36/44,146.86 = 17,650.72/x
  3. Step 3: Cross multiply
    31,990.36x = 44,146.86 × 17,650.72
  4. Step 4: Simplify right side
    31,990.36x = 779,223,864.74
  5. Step 5: Solve for x
    x = 779,223,864.74/31,990.36
  6. Step 6: Final answer
    x = 24,358.08

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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.