Home / 29,371.80-40,533.40-15,943.18

Finding the Fourth Proportional to 29,371.80, 40,533.40 and 15,943.18

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Solution

The fourth proportional to 29,371.80, 40,533.40 and 15,943.18 is: 22,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,371.80 : 40,533.40 = 15,943.18 : x
  2. Step 2: Convert to fraction form
    29,371.80/40,533.40 = 15,943.18/x
  3. Step 3: Cross multiply
    29,371.80x = 40,533.40 × 15,943.18
  4. Step 4: Simplify right side
    29,371.80x = 646,231,292.21
  5. Step 5: Solve for x
    x = 646,231,292.21/29,371.80
  6. Step 6: Final answer
    x = 22,001.76

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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.