Home / 56,757.68-78,297.54-34,085.78

Finding the Fourth Proportional to 56,757.68, 78,297.54 and 34,085.78

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Solution

The fourth proportional to 56,757.68, 78,297.54 and 34,085.78 is: 47,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,757.68 : 78,297.54 = 34,085.78 : x
  2. Step 2: Convert to fraction form
    56,757.68/78,297.54 = 34,085.78/x
  3. Step 3: Cross multiply
    56,757.68x = 78,297.54 × 34,085.78
  4. Step 4: Simplify right side
    56,757.68x = 2,668,832,722.98
  5. Step 5: Solve for x
    x = 2,668,832,722.98/56,757.68
  6. Step 6: Final answer
    x = 47,021.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.