Home / 38,719.12-53,439.70-25,301.87

Finding the Fourth Proportional to 38,719.12, 53,439.70 and 25,301.87

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Solution

The fourth proportional to 38,719.12, 53,439.70 and 25,301.87 is: 34,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.12 : 53,439.70 = 25,301.87 : x
  2. Step 2: Convert to fraction form
    38,719.12/53,439.70 = 25,301.87/x
  3. Step 3: Cross multiply
    38,719.12x = 53,439.70 × 25,301.87
  4. Step 4: Simplify right side
    38,719.12x = 1,352,124,338.76
  5. Step 5: Solve for x
    x = 1,352,124,338.76/38,719.12
  6. Step 6: Final answer
    x = 34,921.36

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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.