Home / 29,069.28-40,113.72-17,130.36

Finding the Fourth Proportional to 29,069.28, 40,113.72 and 17,130.36

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Solution

The fourth proportional to 29,069.28, 40,113.72 and 17,130.36 is: 23,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,069.28 : 40,113.72 = 17,130.36 : x
  2. Step 2: Convert to fraction form
    29,069.28/40,113.72 = 17,130.36/x
  3. Step 3: Cross multiply
    29,069.28x = 40,113.72 × 17,130.36
  4. Step 4: Simplify right side
    29,069.28x = 687,162,464.54
  5. Step 5: Solve for x
    x = 687,162,464.54/29,069.28
  6. Step 6: Final answer
    x = 23,638.79

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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.