Home / 45,201.24-67,803.48-18,869.76

Finding the Fourth Proportional to 45,201.24, 67,803.48 and 18,869.76

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Solution

The fourth proportional to 45,201.24, 67,803.48 and 18,869.76 is: 28,305.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,201.24 : 67,803.48 = 18,869.76 : x
  2. Step 2: Convert to fraction form
    45,201.24/67,803.48 = 18,869.76/x
  3. Step 3: Cross multiply
    45,201.24x = 67,803.48 × 18,869.76
  4. Step 4: Simplify right side
    45,201.24x = 1,279,435,394.76
  5. Step 5: Solve for x
    x = 1,279,435,394.76/45,201.24
  6. Step 6: Final answer
    x = 28,305.32

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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.