Home / 38,920.44-53,710.62-22,153.56

Finding the Fourth Proportional to 38,920.44, 53,710.62 and 22,153.56

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Solution

The fourth proportional to 38,920.44, 53,710.62 and 22,153.56 is: 30,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,920.44 : 53,710.62 = 22,153.56 : x
  2. Step 2: Convert to fraction form
    38,920.44/53,710.62 = 22,153.56/x
  3. Step 3: Cross multiply
    38,920.44x = 53,710.62 × 22,153.56
  4. Step 4: Simplify right side
    38,920.44x = 1,189,881,442.81
  5. Step 5: Solve for x
    x = 1,189,881,442.81/38,920.44
  6. Step 6: Final answer
    x = 30,572.15

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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.