Home / 52,090.29-78,139.08-25,787.97

Finding the Fourth Proportional to 52,090.29, 78,139.08 and 25,787.97

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Solution

The fourth proportional to 52,090.29, 78,139.08 and 25,787.97 is: 38,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,090.29 : 78,139.08 = 25,787.97 : x
  2. Step 2: Convert to fraction form
    52,090.29/78,139.08 = 25,787.97/x
  3. Step 3: Cross multiply
    52,090.29x = 78,139.08 × 25,787.97
  4. Step 4: Simplify right side
    52,090.29x = 2,015,048,250.87
  5. Step 5: Solve for x
    x = 2,015,048,250.87/52,090.29
  6. Step 6: Final answer
    x = 38,683.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.