Home / 38,672.64-53,338.10-25,921.62

Finding the Fourth Proportional to 38,672.64, 53,338.10 and 25,921.62

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Solution

The fourth proportional to 38,672.64, 53,338.10 and 25,921.62 is: 35,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672.64 : 53,338.10 = 25,921.62 : x
  2. Step 2: Convert to fraction form
    38,672.64/53,338.10 = 25,921.62/x
  3. Step 3: Cross multiply
    38,672.64x = 53,338.10 × 25,921.62
  4. Step 4: Simplify right side
    38,672.64x = 1,382,609,830.11
  5. Step 5: Solve for x
    x = 1,382,609,830.11/38,672.64
  6. Step 6: Final answer
    x = 35,751.63

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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.