Home / 38,808.56-53,519.46-30,877.04

Finding the Fourth Proportional to 38,808.56, 53,519.46 and 30,877.04

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Solution

The fourth proportional to 38,808.56, 53,519.46 and 30,877.04 is: 42,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,808.56 : 53,519.46 = 30,877.04 : x
  2. Step 2: Convert to fraction form
    38,808.56/53,519.46 = 30,877.04/x
  3. Step 3: Cross multiply
    38,808.56x = 53,519.46 × 30,877.04
  4. Step 4: Simplify right side
    38,808.56x = 1,652,522,507.20
  5. Step 5: Solve for x
    x = 1,652,522,507.20/38,808.56
  6. Step 6: Final answer
    x = 42,581.39

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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.