Home / 38,988.68-53,805.30-22,223.24

Finding the Fourth Proportional to 38,988.68, 53,805.30 and 22,223.24

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Solution

The fourth proportional to 38,988.68, 53,805.30 and 22,223.24 is: 30,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988.68 : 53,805.30 = 22,223.24 : x
  2. Step 2: Convert to fraction form
    38,988.68/53,805.30 = 22,223.24/x
  3. Step 3: Cross multiply
    38,988.68x = 53,805.30 × 22,223.24
  4. Step 4: Simplify right side
    38,988.68x = 1,195,728,095.17
  5. Step 5: Solve for x
    x = 1,195,728,095.17/38,988.68
  6. Step 6: Final answer
    x = 30,668.60

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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.