Home / 52,235.06-78,383.72-18,957.72

Finding the Fourth Proportional to 52,235.06, 78,383.72 and 18,957.72

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Solution

The fourth proportional to 52,235.06, 78,383.72 and 18,957.72 is: 28,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,235.06 : 78,383.72 = 18,957.72 : x
  2. Step 2: Convert to fraction form
    52,235.06/78,383.72 = 18,957.72/x
  3. Step 3: Cross multiply
    52,235.06x = 78,383.72 × 18,957.72
  4. Step 4: Simplify right side
    52,235.06x = 1,485,976,616.32
  5. Step 5: Solve for x
    x = 1,485,976,616.32/52,235.06
  6. Step 6: Final answer
    x = 28,447.88

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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.