Home / 31,088.92-42,902.52-16,941.76

Finding the Fourth Proportional to 31,088.92, 42,902.52 and 16,941.76

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Solution

The fourth proportional to 31,088.92, 42,902.52 and 16,941.76 is: 23,379.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,088.92 : 42,902.52 = 16,941.76 : x
  2. Step 2: Convert to fraction form
    31,088.92/42,902.52 = 16,941.76/x
  3. Step 3: Cross multiply
    31,088.92x = 42,902.52 × 16,941.76
  4. Step 4: Simplify right side
    31,088.92x = 726,844,197.24
  5. Step 5: Solve for x
    x = 726,844,197.24/31,088.92
  6. Step 6: Final answer
    x = 23,379.53

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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.