Home / 52,251.01-78,376.75-12,808.16

Finding the Fourth Proportional to 52,251.01, 78,376.75 and 12,808.16

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Solution

The fourth proportional to 52,251.01, 78,376.75 and 12,808.16 is: 19,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,251.01 : 78,376.75 = 12,808.16 : x
  2. Step 2: Convert to fraction form
    52,251.01/78,376.75 = 12,808.16/x
  3. Step 3: Cross multiply
    52,251.01x = 78,376.75 × 12,808.16
  4. Step 4: Simplify right side
    52,251.01x = 1,003,861,954.28
  5. Step 5: Solve for x
    x = 1,003,861,954.28/52,251.01
  6. Step 6: Final answer
    x = 19,212.30

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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.