Home / 40,156.79-55,414.91-23,161.75

Finding the Fourth Proportional to 40,156.79, 55,414.91 and 23,161.75

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Solution

The fourth proportional to 40,156.79, 55,414.91 and 23,161.75 is: 31,962.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.79 : 55,414.91 = 23,161.75 : x
  2. Step 2: Convert to fraction form
    40,156.79/55,414.91 = 23,161.75/x
  3. Step 3: Cross multiply
    40,156.79x = 55,414.91 × 23,161.75
  4. Step 4: Simplify right side
    40,156.79x = 1,283,506,423.30
  5. Step 5: Solve for x
    x = 1,283,506,423.30/40,156.79
  6. Step 6: Final answer
    x = 31,962.37

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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.