Home / 29,205.36-40,318.56-17,891.28

Finding the Fourth Proportional to 29,205.36, 40,318.56 and 17,891.28

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Solution

The fourth proportional to 29,205.36, 40,318.56 and 17,891.28 is: 24,699.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,205.36 : 40,318.56 = 17,891.28 : x
  2. Step 2: Convert to fraction form
    29,205.36/40,318.56 = 17,891.28/x
  3. Step 3: Cross multiply
    29,205.36x = 40,318.56 × 17,891.28
  4. Step 4: Simplify right side
    29,205.36x = 721,350,646.16
  5. Step 5: Solve for x
    x = 721,350,646.16/29,205.36
  6. Step 6: Final answer
    x = 24,699.26

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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.