Home / 40,154.30-55,411.43-23,159.25

Finding the Fourth Proportional to 40,154.30, 55,411.43 and 23,159.25

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Solution

The fourth proportional to 40,154.30, 55,411.43 and 23,159.25 is: 31,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.30 : 55,411.43 = 23,159.25 : x
  2. Step 2: Convert to fraction form
    40,154.30/55,411.43 = 23,159.25/x
  3. Step 3: Cross multiply
    40,154.30x = 55,411.43 × 23,159.25
  4. Step 4: Simplify right side
    40,154.30x = 1,283,287,218.13
  5. Step 5: Solve for x
    x = 1,283,287,218.13/40,154.30
  6. Step 6: Final answer
    x = 31,958.90

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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.