Home / 40,366.08-55,585.36-29,015.56

Finding the Fourth Proportional to 40,366.08, 55,585.36 and 29,015.56

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Solution

The fourth proportional to 40,366.08, 55,585.36 and 29,015.56 is: 39,955.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,366.08 : 55,585.36 = 29,015.56 : x
  2. Step 2: Convert to fraction form
    40,366.08/55,585.36 = 29,015.56/x
  3. Step 3: Cross multiply
    40,366.08x = 55,585.36 × 29,015.56
  4. Step 4: Simplify right side
    40,366.08x = 1,612,840,348.20
  5. Step 5: Solve for x
    x = 1,612,840,348.20/40,366.08
  6. Step 6: Final answer
    x = 39,955.34

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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.