Home / 56,626.75-78,144.97-31,133.55

Finding the Fourth Proportional to 56,626.75, 78,144.97 and 31,133.55

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Solution

The fourth proportional to 56,626.75, 78,144.97 and 31,133.55 is: 42,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,626.75 : 78,144.97 = 31,133.55 : x
  2. Step 2: Convert to fraction form
    56,626.75/78,144.97 = 31,133.55/x
  3. Step 3: Cross multiply
    56,626.75x = 78,144.97 × 31,133.55
  4. Step 4: Simplify right side
    56,626.75x = 2,432,930,330.74
  5. Step 5: Solve for x
    x = 2,432,930,330.74/56,626.75
  6. Step 6: Final answer
    x = 42,964.33

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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.