Home / 52,213.70-78,327.84-25,911.38

Finding the Fourth Proportional to 52,213.70, 78,327.84 and 25,911.38

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Solution

The fourth proportional to 52,213.70, 78,327.84 and 25,911.38 is: 38,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,213.70 : 78,327.84 = 25,911.38 : x
  2. Step 2: Convert to fraction form
    52,213.70/78,327.84 = 25,911.38/x
  3. Step 3: Cross multiply
    52,213.70x = 78,327.84 × 25,911.38
  4. Step 4: Simplify right side
    52,213.70x = 2,029,582,426.82
  5. Step 5: Solve for x
    x = 2,029,582,426.82/52,213.70
  6. Step 6: Final answer
    x = 38,870.69

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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.