Home / 32,386.40-44,691.60-18,240.08

Finding the Fourth Proportional to 32,386.40, 44,691.60 and 18,240.08

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Solution

The fourth proportional to 32,386.40, 44,691.60 and 18,240.08 is: 25,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,386.40 : 44,691.60 = 18,240.08 : x
  2. Step 2: Convert to fraction form
    32,386.40/44,691.60 = 18,240.08/x
  3. Step 3: Cross multiply
    32,386.40x = 44,691.60 × 18,240.08
  4. Step 4: Simplify right side
    32,386.40x = 815,178,359.33
  5. Step 5: Solve for x
    x = 815,178,359.33/32,386.40
  6. Step 6: Final answer
    x = 25,170.39

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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.