Home / 29,115.39-40,191.71-20,053.46

Finding the Fourth Proportional to 29,115.39, 40,191.71 and 20,053.46

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Solution

The fourth proportional to 29,115.39, 40,191.71 and 20,053.46 is: 27,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115.39 : 40,191.71 = 20,053.46 : x
  2. Step 2: Convert to fraction form
    29,115.39/40,191.71 = 20,053.46/x
  3. Step 3: Cross multiply
    29,115.39x = 40,191.71 × 20,053.46
  4. Step 4: Simplify right side
    29,115.39x = 805,982,547.59
  5. Step 5: Solve for x
    x = 805,982,547.59/29,115.39
  6. Step 6: Final answer
    x = 27,682.35

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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.