Home / 45,444.52-68,177.72-19,156.78

Finding the Fourth Proportional to 45,444.52, 68,177.72 and 19,156.78

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Solution

The fourth proportional to 45,444.52, 68,177.72 and 19,156.78 is: 28,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,444.52 : 68,177.72 = 19,156.78 : x
  2. Step 2: Convert to fraction form
    45,444.52/68,177.72 = 19,156.78/x
  3. Step 3: Cross multiply
    45,444.52x = 68,177.72 × 19,156.78
  4. Step 4: Simplify right side
    45,444.52x = 1,306,065,582.94
  5. Step 5: Solve for x
    x = 1,306,065,582.94/45,444.52
  6. Step 6: Final answer
    x = 28,739.78

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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.