Home / 32,915.12-49,349.64-12,133.04

Finding the Fourth Proportional to 32,915.12, 49,349.64 and 12,133.04

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Solution

The fourth proportional to 32,915.12, 49,349.64 and 12,133.04 is: 18,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,915.12 : 49,349.64 = 12,133.04 : x
  2. Step 2: Convert to fraction form
    32,915.12/49,349.64 = 12,133.04/x
  3. Step 3: Cross multiply
    32,915.12x = 49,349.64 × 12,133.04
  4. Step 4: Simplify right side
    32,915.12x = 598,761,156.11
  5. Step 5: Solve for x
    x = 598,761,156.11/32,915.12
  6. Step 6: Final answer
    x = 18,191.07

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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.