Home / 45,877.76-63,318.40-25,742.78

Finding the Fourth Proportional to 45,877.76, 63,318.40 and 25,742.78

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Solution

The fourth proportional to 45,877.76, 63,318.40 and 25,742.78 is: 35,529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,877.76 : 63,318.40 = 25,742.78 : x
  2. Step 2: Convert to fraction form
    45,877.76/63,318.40 = 25,742.78/x
  3. Step 3: Cross multiply
    45,877.76x = 63,318.40 × 25,742.78
  4. Step 4: Simplify right side
    45,877.76x = 1,629,991,641.15
  5. Step 5: Solve for x
    x = 1,629,991,641.15/45,877.76
  6. Step 6: Final answer
    x = 35,529.02

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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.