Home / 32,155.19-48,236.12-8,781.63

Finding the Fourth Proportional to 32,155.19, 48,236.12 and 8,781.63

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Solution

The fourth proportional to 32,155.19, 48,236.12 and 8,781.63 is: 13,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,155.19 : 48,236.12 = 8,781.63 : x
  2. Step 2: Convert to fraction form
    32,155.19/48,236.12 = 8,781.63/x
  3. Step 3: Cross multiply
    32,155.19x = 48,236.12 × 8,781.63
  4. Step 4: Simplify right side
    32,155.19x = 423,591,758.48
  5. Step 5: Solve for x
    x = 423,591,758.48/32,155.19
  6. Step 6: Final answer
    x = 13,173.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.