Home / 38,705.15-53,424.44-25,278.49

Finding the Fourth Proportional to 38,705.15, 53,424.44 and 25,278.49

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Solution

The fourth proportional to 38,705.15, 53,424.44 and 25,278.49 is: 34,891.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,705.15 : 53,424.44 = 25,278.49 : x
  2. Step 2: Convert to fraction form
    38,705.15/53,424.44 = 25,278.49/x
  3. Step 3: Cross multiply
    38,705.15x = 53,424.44 × 25,278.49
  4. Step 4: Simplify right side
    38,705.15x = 1,350,488,905.17
  5. Step 5: Solve for x
    x = 1,350,488,905.17/38,705.15
  6. Step 6: Final answer
    x = 34,891.72

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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.