Home / 40,141.17-60,249.12-20,434.48

Finding the Fourth Proportional to 40,141.17, 60,249.12 and 20,434.48

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Solution

The fourth proportional to 40,141.17, 60,249.12 and 20,434.48 is: 30,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,141.17 : 60,249.12 = 20,434.48 : x
  2. Step 2: Convert to fraction form
    40,141.17/60,249.12 = 20,434.48/x
  3. Step 3: Cross multiply
    40,141.17x = 60,249.12 × 20,434.48
  4. Step 4: Simplify right side
    40,141.17x = 1,231,159,210.41
  5. Step 5: Solve for x
    x = 1,231,159,210.41/40,141.17
  6. Step 6: Final answer
    x = 30,670.74

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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.