Home / 52,796.25-72,864.90-30,138.48

Finding the Fourth Proportional to 52,796.25, 72,864.90 and 30,138.48

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Solution

The fourth proportional to 52,796.25, 72,864.90 and 30,138.48 is: 41,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,796.25 : 72,864.90 = 30,138.48 : x
  2. Step 2: Convert to fraction form
    52,796.25/72,864.90 = 30,138.48/x
  3. Step 3: Cross multiply
    52,796.25x = 72,864.90 × 30,138.48
  4. Step 4: Simplify right side
    52,796.25x = 2,196,037,331.35
  5. Step 5: Solve for x
    x = 2,196,037,331.35/52,796.25
  6. Step 6: Final answer
    x = 41,594.57

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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.