Home / 40,334.12-55,661.13-22,428.74

Finding the Fourth Proportional to 40,334.12, 55,661.13 and 22,428.74

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Solution

The fourth proportional to 40,334.12, 55,661.13 and 22,428.74 is: 30,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,334.12 : 55,661.13 = 22,428.74 : x
  2. Step 2: Convert to fraction form
    40,334.12/55,661.13 = 22,428.74/x
  3. Step 3: Cross multiply
    40,334.12x = 55,661.13 × 22,428.74
  4. Step 4: Simplify right side
    40,334.12x = 1,248,409,012.88
  5. Step 5: Solve for x
    x = 1,248,409,012.88/40,334.12
  6. Step 6: Final answer
    x = 30,951.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.