Home / 29,429.28-40,585.50-21,894.48

Finding the Fourth Proportional to 29,429.28, 40,585.50 and 21,894.48

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Solution

The fourth proportional to 29,429.28, 40,585.50 and 21,894.48 is: 30,194.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,429.28 : 40,585.50 = 21,894.48 : x
  2. Step 2: Convert to fraction form
    29,429.28/40,585.50 = 21,894.48/x
  3. Step 3: Cross multiply
    29,429.28x = 40,585.50 × 21,894.48
  4. Step 4: Simplify right side
    29,429.28x = 888,598,418.04
  5. Step 5: Solve for x
    x = 888,598,418.04/29,429.28
  6. Step 6: Final answer
    x = 30,194.36

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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.