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Finding the Fourth Proportional to 32,551.39, 44,913.31 and 18,402.31

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Solution

The fourth proportional to 32,551.39, 44,913.31 and 18,402.31 is: 25,390.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,551.39 : 44,913.31 = 18,402.31 : x
  2. Step 2: Convert to fraction form
    32,551.39/44,913.31 = 18,402.31/x
  3. Step 3: Cross multiply
    32,551.39x = 44,913.31 × 18,402.31
  4. Step 4: Simplify right side
    32,551.39x = 826,508,653.75
  5. Step 5: Solve for x
    x = 826,508,653.75/32,551.39
  6. Step 6: Final answer
    x = 25,390.89

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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.