Home / 45,575.52-68,363.34-12,295.62

Finding the Fourth Proportional to 45,575.52, 68,363.34 and 12,295.62

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Solution

The fourth proportional to 45,575.52, 68,363.34 and 12,295.62 is: 18,443.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,575.52 : 68,363.34 = 12,295.62 : x
  2. Step 2: Convert to fraction form
    45,575.52/68,363.34 = 12,295.62/x
  3. Step 3: Cross multiply
    45,575.52x = 68,363.34 × 12,295.62
  4. Step 4: Simplify right side
    45,575.52x = 840,569,650.57
  5. Step 5: Solve for x
    x = 840,569,650.57/45,575.52
  6. Step 6: Final answer
    x = 18,443.45

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1.5x scale

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.