Home / 31,550.04-43,543.71-20,793.24

Finding the Fourth Proportional to 31,550.04, 43,543.71 and 20,793.24

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Solution

The fourth proportional to 31,550.04, 43,543.71 and 20,793.24 is: 28,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,550.04 : 43,543.71 = 20,793.24 : x
  2. Step 2: Convert to fraction form
    31,550.04/43,543.71 = 20,793.24/x
  3. Step 3: Cross multiply
    31,550.04x = 43,543.71 × 20,793.24
  4. Step 4: Simplify right side
    31,550.04x = 905,414,812.52
  5. Step 5: Solve for x
    x = 905,414,812.52/31,550.04
  6. Step 6: Final answer
    x = 28,697.74

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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.