Home / 31,951.86-44,070.08-21,177.24

Finding the Fourth Proportional to 31,951.86, 44,070.08 and 21,177.24

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Solution

The fourth proportional to 31,951.86, 44,070.08 and 21,177.24 is: 29,209.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,951.86 : 44,070.08 = 21,177.24 : x
  2. Step 2: Convert to fraction form
    31,951.86/44,070.08 = 21,177.24/x
  3. Step 3: Cross multiply
    31,951.86x = 44,070.08 × 21,177.24
  4. Step 4: Simplify right side
    31,951.86x = 933,282,660.98
  5. Step 5: Solve for x
    x = 933,282,660.98/31,951.86
  6. Step 6: Final answer
    x = 29,209.02

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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.