Home / 45,177.30-67,765.95-21,849.30

Finding the Fourth Proportional to 45,177.30, 67,765.95 and 21,849.30

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Solution

The fourth proportional to 45,177.30, 67,765.95 and 21,849.30 is: 32,773.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,177.30 : 67,765.95 = 21,849.30 : x
  2. Step 2: Convert to fraction form
    45,177.30/67,765.95 = 21,849.30/x
  3. Step 3: Cross multiply
    45,177.30x = 67,765.95 × 21,849.30
  4. Step 4: Simplify right side
    45,177.30x = 1,480,638,571.34
  5. Step 5: Solve for x
    x = 1,480,638,571.34/45,177.30
  6. Step 6: Final answer
    x = 32,773.95

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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.