Home / 74,151.43-111,246.13-21,560.93

Finding the Fourth Proportional to 74,151.43, 111,246.13 and 21,560.93

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Solution

The fourth proportional to 74,151.43, 111,246.13 and 21,560.93 is: 32,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,151.43 : 111,246.13 = 21,560.93 : x
  2. Step 2: Convert to fraction form
    74,151.43/111,246.13 = 21,560.93/x
  3. Step 3: Cross multiply
    74,151.43x = 111,246.13 × 21,560.93
  4. Step 4: Simplify right side
    74,151.43x = 2,398,570,021.70
  5. Step 5: Solve for x
    x = 2,398,570,021.70/74,151.43
  6. Step 6: Final answer
    x = 32,346.92

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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.