Home / 29,409.60-40,569.68-18,635.44

Finding the Fourth Proportional to 29,409.60, 40,569.68 and 18,635.44

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Solution

The fourth proportional to 29,409.60, 40,569.68 and 18,635.44 is: 25,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,409.60 : 40,569.68 = 18,635.44 : x
  2. Step 2: Convert to fraction form
    29,409.60/40,569.68 = 18,635.44/x
  3. Step 3: Cross multiply
    29,409.60x = 40,569.68 × 18,635.44
  4. Step 4: Simplify right side
    29,409.60x = 756,033,837.46
  5. Step 5: Solve for x
    x = 756,033,837.46/29,409.60
  6. Step 6: Final answer
    x = 25,707.04

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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.