Home / 74,836.72-112,254.08-21,530.08

Finding the Fourth Proportional to 74,836.72, 112,254.08 and 21,530.08

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Solution

The fourth proportional to 74,836.72, 112,254.08 and 21,530.08 is: 32,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836.72 : 112,254.08 = 21,530.08 : x
  2. Step 2: Convert to fraction form
    74,836.72/112,254.08 = 21,530.08/x
  3. Step 3: Cross multiply
    74,836.72x = 112,254.08 × 21,530.08
  4. Step 4: Simplify right side
    74,836.72x = 2,416,839,322.73
  5. Step 5: Solve for x
    x = 2,416,839,322.73/74,836.72
  6. Step 6: Final answer
    x = 32,294.83

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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.