Home / 32,612.20-48,918.30-20,938.60

Finding the Fourth Proportional to 32,612.20, 48,918.30 and 20,938.60

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Solution

The fourth proportional to 32,612.20, 48,918.30 and 20,938.60 is: 31,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,612.20 : 48,918.30 = 20,938.60 : x
  2. Step 2: Convert to fraction form
    32,612.20/48,918.30 = 20,938.60/x
  3. Step 3: Cross multiply
    32,612.20x = 48,918.30 × 20,938.60
  4. Step 4: Simplify right side
    32,612.20x = 1,024,280,716.38
  5. Step 5: Solve for x
    x = 1,024,280,716.38/32,612.20
  6. Step 6: Final answer
    x = 31,407.90

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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.