Home / 38,983.48-53,815.08-25,555.30

Finding the Fourth Proportional to 38,983.48, 53,815.08 and 25,555.30

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Solution

The fourth proportional to 38,983.48, 53,815.08 and 25,555.30 is: 35,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,983.48 : 53,815.08 = 25,555.30 : x
  2. Step 2: Convert to fraction form
    38,983.48/53,815.08 = 25,555.30/x
  3. Step 3: Cross multiply
    38,983.48x = 53,815.08 × 25,555.30
  4. Step 4: Simplify right side
    38,983.48x = 1,375,260,475.22
  5. Step 5: Solve for x
    x = 1,375,260,475.22/38,983.48
  6. Step 6: Final answer
    x = 35,278.03

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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.