Home / 52,961.06-79,441.52-13,518.18

Finding the Fourth Proportional to 52,961.06, 79,441.52 and 13,518.18

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Solution

The fourth proportional to 52,961.06, 79,441.52 and 13,518.18 is: 20,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,961.06 : 79,441.52 = 13,518.18 : x
  2. Step 2: Convert to fraction form
    52,961.06/79,441.52 = 13,518.18/x
  3. Step 3: Cross multiply
    52,961.06x = 79,441.52 × 13,518.18
  4. Step 4: Simplify right side
    52,961.06x = 1,073,904,800.63
  5. Step 5: Solve for x
    x = 1,073,904,800.63/52,961.06
  6. Step 6: Final answer
    x = 20,277.25

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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.