Home / 52,086.24-78,134.16-18,801.12

Finding the Fourth Proportional to 52,086.24, 78,134.16 and 18,801.12

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Solution

The fourth proportional to 52,086.24, 78,134.16 and 18,801.12 is: 28,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,086.24 : 78,134.16 = 18,801.12 : x
  2. Step 2: Convert to fraction form
    52,086.24/78,134.16 = 18,801.12/x
  3. Step 3: Cross multiply
    52,086.24x = 78,134.16 × 18,801.12
  4. Step 4: Simplify right side
    52,086.24x = 1,469,009,718.26
  5. Step 5: Solve for x
    x = 1,469,009,718.26/52,086.24
  6. Step 6: Final answer
    x = 28,203.41

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1.5x scale

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.