Home / 40,182.76-60,254.70-13,878.28

Finding the Fourth Proportional to 40,182.76, 60,254.70 and 13,878.28

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Solution

The fourth proportional to 40,182.76, 60,254.70 and 13,878.28 is: 20,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,182.76 : 60,254.70 = 13,878.28 : x
  2. Step 2: Convert to fraction form
    40,182.76/60,254.70 = 13,878.28/x
  3. Step 3: Cross multiply
    40,182.76x = 60,254.70 × 13,878.28
  4. Step 4: Simplify right side
    40,182.76x = 836,231,597.92
  5. Step 5: Solve for x
    x = 836,231,597.92/40,182.76
  6. Step 6: Final answer
    x = 20,810.71

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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.