Home / 40,151.78-60,222.56-10,571.90

Finding the Fourth Proportional to 40,151.78, 60,222.56 and 10,571.90

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Solution

The fourth proportional to 40,151.78, 60,222.56 and 10,571.90 is: 15,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,151.78 : 60,222.56 = 10,571.90 : x
  2. Step 2: Convert to fraction form
    40,151.78/60,222.56 = 10,571.90/x
  3. Step 3: Cross multiply
    40,151.78x = 60,222.56 × 10,571.90
  4. Step 4: Simplify right side
    40,151.78x = 636,666,882.06
  5. Step 5: Solve for x
    x = 636,666,882.06/40,151.78
  6. Step 6: Final answer
    x = 15,856.50

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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.