Home / 45,403.38-68,103.42-15,821.10

Finding the Fourth Proportional to 45,403.38, 68,103.42 and 15,821.10

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Solution

The fourth proportional to 45,403.38, 68,103.42 and 15,821.10 is: 23,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,403.38 : 68,103.42 = 15,821.10 : x
  2. Step 2: Convert to fraction form
    45,403.38/68,103.42 = 15,821.10/x
  3. Step 3: Cross multiply
    45,403.38x = 68,103.42 × 15,821.10
  4. Step 4: Simplify right side
    45,403.38x = 1,077,471,018.16
  5. Step 5: Solve for x
    x = 1,077,471,018.16/45,403.38
  6. Step 6: Final answer
    x = 23,731.08

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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.