Home / 32,139.68-44,354.40-17,991.68

Finding the Fourth Proportional to 32,139.68, 44,354.40 and 17,991.68

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Solution

The fourth proportional to 32,139.68, 44,354.40 and 17,991.68 is: 24,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,139.68 : 44,354.40 = 17,991.68 : x
  2. Step 2: Convert to fraction form
    32,139.68/44,354.40 = 17,991.68/x
  3. Step 3: Cross multiply
    32,139.68x = 44,354.40 × 17,991.68
  4. Step 4: Simplify right side
    32,139.68x = 798,010,171.39
  5. Step 5: Solve for x
    x = 798,010,171.39/32,139.68
  6. Step 6: Final answer
    x = 24,829.44

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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.