Home / 38,521.32-53,139.72-25,115.04

Finding the Fourth Proportional to 38,521.32, 53,139.72 and 25,115.04

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Solution

The fourth proportional to 38,521.32, 53,139.72 and 25,115.04 is: 34,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,521.32 : 53,139.72 = 25,115.04 : x
  2. Step 2: Convert to fraction form
    38,521.32/53,139.72 = 25,115.04/x
  3. Step 3: Cross multiply
    38,521.32x = 53,139.72 × 25,115.04
  4. Step 4: Simplify right side
    38,521.32x = 1,334,606,193.39
  5. Step 5: Solve for x
    x = 1,334,606,193.39/38,521.32
  6. Step 6: Final answer
    x = 34,645.91

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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.