Home / 40,915.92-61,376.04-13,216.08

Finding the Fourth Proportional to 40,915.92, 61,376.04 and 13,216.08

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Solution

The fourth proportional to 40,915.92, 61,376.04 and 13,216.08 is: 19,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,915.92 : 61,376.04 = 13,216.08 : x
  2. Step 2: Convert to fraction form
    40,915.92/61,376.04 = 13,216.08/x
  3. Step 3: Cross multiply
    40,915.92x = 61,376.04 × 13,216.08
  4. Step 4: Simplify right side
    40,915.92x = 811,150,654.72
  5. Step 5: Solve for x
    x = 811,150,654.72/40,915.92
  6. Step 6: Final answer
    x = 19,824.82

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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.