Home / 22,660.30-34,055.97-21,085.42

Finding the Fourth Proportional to 22,660.30, 34,055.97 and 21,085.42

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Solution

The fourth proportional to 22,660.30, 34,055.97 and 21,085.42 is: 31,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.30 : 34,055.97 = 21,085.42 : x
  2. Step 2: Convert to fraction form
    22,660.30/34,055.97 = 21,085.42/x
  3. Step 3: Cross multiply
    22,660.30x = 34,055.97 × 21,085.42
  4. Step 4: Simplify right side
    22,660.30x = 718,084,430.96
  5. Step 5: Solve for x
    x = 718,084,430.96/22,660.30
  6. Step 6: Final answer
    x = 31,689.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.