Home / 45,279.78-62,479.40-25,136.80

Finding the Fourth Proportional to 45,279.78, 62,479.40 and 25,136.80

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Solution

The fourth proportional to 45,279.78, 62,479.40 and 25,136.80 is: 34,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,279.78 : 62,479.40 = 25,136.80 : x
  2. Step 2: Convert to fraction form
    45,279.78/62,479.40 = 25,136.80/x
  3. Step 3: Cross multiply
    45,279.78x = 62,479.40 × 25,136.80
  4. Step 4: Simplify right side
    45,279.78x = 1,570,532,181.92
  5. Step 5: Solve for x
    x = 1,570,532,181.92/45,279.78
  6. Step 6: Final answer
    x = 34,685.07

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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.