Home / 38,705.64-53,425.14-25,278.93

Finding the Fourth Proportional to 38,705.64, 53,425.14 and 25,278.93

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Solution

The fourth proportional to 38,705.64, 53,425.14 and 25,278.93 is: 34,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,705.64 : 53,425.14 = 25,278.93 : x
  2. Step 2: Convert to fraction form
    38,705.64/53,425.14 = 25,278.93/x
  3. Step 3: Cross multiply
    38,705.64x = 53,425.14 × 25,278.93
  4. Step 4: Simplify right side
    38,705.64x = 1,350,530,374.30
  5. Step 5: Solve for x
    x = 1,350,530,374.30/38,705.64
  6. Step 6: Final answer
    x = 34,892.34

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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.