Home / 31,542.60-43,527.32-18,104.39

Finding the Fourth Proportional to 31,542.60, 43,527.32 and 18,104.39

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Solution

The fourth proportional to 31,542.60, 43,527.32 and 18,104.39 is: 24,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.60 : 43,527.32 = 18,104.39 : x
  2. Step 2: Convert to fraction form
    31,542.60/43,527.32 = 18,104.39/x
  3. Step 3: Cross multiply
    31,542.60x = 43,527.32 × 18,104.39
  4. Step 4: Simplify right side
    31,542.60x = 788,035,595.23
  5. Step 5: Solve for x
    x = 788,035,595.23/31,542.60
  6. Step 6: Final answer
    x = 24,983.22

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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.