Home / 32,719.92-49,089.72-11,657.21

Finding the Fourth Proportional to 32,719.92, 49,089.72 and 11,657.21

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Solution

The fourth proportional to 32,719.92, 49,089.72 and 11,657.21 is: 17,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,719.92 : 49,089.72 = 11,657.21 : x
  2. Step 2: Convert to fraction form
    32,719.92/49,089.72 = 11,657.21/x
  3. Step 3: Cross multiply
    32,719.92x = 49,089.72 × 11,657.21
  4. Step 4: Simplify right side
    32,719.92x = 572,248,929.43
  5. Step 5: Solve for x
    x = 572,248,929.43/32,719.92
  6. Step 6: Final answer
    x = 17,489.31

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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.