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Finding the Fourth Proportional to 32,294.70, 48,186.90 and 27,920.70

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Solution

The fourth proportional to 32,294.70, 48,186.90 and 27,920.70 is: 41,660.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,294.70 : 48,186.90 = 27,920.70 : x
  2. Step 2: Convert to fraction form
    32,294.70/48,186.90 = 27,920.70/x
  3. Step 3: Cross multiply
    32,294.70x = 48,186.90 × 27,920.70
  4. Step 4: Simplify right side
    32,294.70x = 1,345,411,978.83
  5. Step 5: Solve for x
    x = 1,345,411,978.83/32,294.70
  6. Step 6: Final answer
    x = 41,660.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.