Home / 52,353.12-78,530.49-12,910.23

Finding the Fourth Proportional to 52,353.12, 78,530.49 and 12,910.23

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Solution

The fourth proportional to 52,353.12, 78,530.49 and 12,910.23 is: 19,365.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,353.12 : 78,530.49 = 12,910.23 : x
  2. Step 2: Convert to fraction form
    52,353.12/78,530.49 = 12,910.23/x
  3. Step 3: Cross multiply
    52,353.12x = 78,530.49 × 12,910.23
  4. Step 4: Simplify right side
    52,353.12x = 1,013,846,687.91
  5. Step 5: Solve for x
    x = 1,013,846,687.91/52,353.12
  6. Step 6: Final answer
    x = 19,365.54

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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.