Home / 29,260.10-40,365.69-18,643.13

Finding the Fourth Proportional to 29,260.10, 40,365.69 and 18,643.13

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Solution

The fourth proportional to 29,260.10, 40,365.69 and 18,643.13 is: 25,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,260.10 : 40,365.69 = 18,643.13 : x
  2. Step 2: Convert to fraction form
    29,260.10/40,365.69 = 18,643.13/x
  3. Step 3: Cross multiply
    29,260.10x = 40,365.69 × 18,643.13
  4. Step 4: Simplify right side
    29,260.10x = 752,542,790.71
  5. Step 5: Solve for x
    x = 752,542,790.71/29,260.10
  6. Step 6: Final answer
    x = 25,719.08

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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.