Home / 48,609.12-72,913.68-17,427.36

Finding the Fourth Proportional to 48,609.12, 72,913.68 and 17,427.36

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Solution

The fourth proportional to 48,609.12, 72,913.68 and 17,427.36 is: 26,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609.12 : 72,913.68 = 17,427.36 : x
  2. Step 2: Convert to fraction form
    48,609.12/72,913.68 = 17,427.36/x
  3. Step 3: Cross multiply
    48,609.12x = 72,913.68 × 17,427.36
  4. Step 4: Simplify right side
    48,609.12x = 1,270,692,950.28
  5. Step 5: Solve for x
    x = 1,270,692,950.28/48,609.12
  6. Step 6: Final answer
    x = 26,141.04

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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.