Home / 45,327.92-68,014.17-20,385.59

Finding the Fourth Proportional to 45,327.92, 68,014.17 and 20,385.59

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Solution

The fourth proportional to 45,327.92, 68,014.17 and 20,385.59 is: 30,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,327.92 : 68,014.17 = 20,385.59 : x
  2. Step 2: Convert to fraction form
    45,327.92/68,014.17 = 20,385.59/x
  3. Step 3: Cross multiply
    45,327.92x = 68,014.17 × 20,385.59
  4. Step 4: Simplify right side
    45,327.92x = 1,386,508,643.74
  5. Step 5: Solve for x
    x = 1,386,508,643.74/45,327.92
  6. Step 6: Final answer
    x = 30,588.41

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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.