Home / 38,920.14-53,710.20-22,154.22

Finding the Fourth Proportional to 38,920.14, 53,710.20 and 22,154.22

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Solution

The fourth proportional to 38,920.14, 53,710.20 and 22,154.22 is: 30,573.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,920.14 : 53,710.20 = 22,154.22 : x
  2. Step 2: Convert to fraction form
    38,920.14/53,710.20 = 22,154.22/x
  3. Step 3: Cross multiply
    38,920.14x = 53,710.20 × 22,154.22
  4. Step 4: Simplify right side
    38,920.14x = 1,189,907,587.04
  5. Step 5: Solve for x
    x = 1,189,907,587.04/38,920.14
  6. Step 6: Final answer
    x = 30,573.06

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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.