Home / 48,570.12-72,855.18-13,512.51

Finding the Fourth Proportional to 48,570.12, 72,855.18 and 13,512.51

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Solution

The fourth proportional to 48,570.12, 72,855.18 and 13,512.51 is: 20,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,570.12 : 72,855.18 = 13,512.51 : x
  2. Step 2: Convert to fraction form
    48,570.12/72,855.18 = 13,512.51/x
  3. Step 3: Cross multiply
    48,570.12x = 72,855.18 × 13,512.51
  4. Step 4: Simplify right side
    48,570.12x = 984,456,348.30
  5. Step 5: Solve for x
    x = 984,456,348.30/48,570.12
  6. Step 6: Final answer
    x = 20,268.77

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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.