Home / 40,154.32-55,409.02-23,160.12

Finding the Fourth Proportional to 40,154.32, 55,409.02 and 23,160.12

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Solution

The fourth proportional to 40,154.32, 55,409.02 and 23,160.12 is: 31,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.32 : 55,409.02 = 23,160.12 : x
  2. Step 2: Convert to fraction form
    40,154.32/55,409.02 = 23,160.12/x
  3. Step 3: Cross multiply
    40,154.32x = 55,409.02 × 23,160.12
  4. Step 4: Simplify right side
    40,154.32x = 1,283,279,552.28
  5. Step 5: Solve for x
    x = 1,283,279,552.28/40,154.32
  6. Step 6: Final answer
    x = 31,958.69

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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.