Home / 45,639.61-68,483.49-32,398.12

Finding the Fourth Proportional to 45,639.61, 68,483.49 and 32,398.12

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Solution

The fourth proportional to 45,639.61, 68,483.49 and 32,398.12 is: 48,614.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,639.61 : 68,483.49 = 32,398.12 : x
  2. Step 2: Convert to fraction form
    45,639.61/68,483.49 = 32,398.12/x
  3. Step 3: Cross multiply
    45,639.61x = 68,483.49 × 32,398.12
  4. Step 4: Simplify right side
    45,639.61x = 2,218,736,327.04
  5. Step 5: Solve for x
    x = 2,218,736,327.04/45,639.61
  6. Step 6: Final answer
    x = 48,614.27

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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.