Home / 52,062.11-78,092.46-12,619.56

Finding the Fourth Proportional to 52,062.11, 78,092.46 and 12,619.56

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Solution

The fourth proportional to 52,062.11, 78,092.46 and 12,619.56 is: 18,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,062.11 : 78,092.46 = 12,619.56 : x
  2. Step 2: Convert to fraction form
    52,062.11/78,092.46 = 12,619.56/x
  3. Step 3: Cross multiply
    52,062.11x = 78,092.46 × 12,619.56
  4. Step 4: Simplify right side
    52,062.11x = 985,492,484.52
  5. Step 5: Solve for x
    x = 985,492,484.52/52,062.11
  6. Step 6: Final answer
    x = 18,929.17

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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.