Home / 53,218.42-73,440-29,344.68

Finding the Fourth Proportional to 53,218.42, 73,440 and 29,344.68

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Solution

The fourth proportional to 53,218.42, 73,440 and 29,344.68 is: 40,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218.42 : 73,440 = 29,344.68 : x
  2. Step 2: Convert to fraction form
    53,218.42/73,440 = 29,344.68/x
  3. Step 3: Cross multiply
    53,218.42x = 73,440 × 29,344.68
  4. Step 4: Simplify right side
    53,218.42x = 2,155,073,299.20
  5. Step 5: Solve for x
    x = 2,155,073,299.20/53,218.42
  6. Step 6: Final answer
    x = 40,494.88

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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.