Home / 40,153.93-55,420.17-23,169.13

Finding the Fourth Proportional to 40,153.93, 55,420.17 and 23,169.13

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Solution

The fourth proportional to 40,153.93, 55,420.17 and 23,169.13 is: 31,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.93 : 55,420.17 = 23,169.13 : x
  2. Step 2: Convert to fraction form
    40,153.93/55,420.17 = 23,169.13/x
  3. Step 3: Cross multiply
    40,153.93x = 55,420.17 × 23,169.13
  4. Step 4: Simplify right side
    40,153.93x = 1,284,037,123.35
  5. Step 5: Solve for x
    x = 1,284,037,123.35/40,153.93
  6. Step 6: Final answer
    x = 31,977.87

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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.