Home / 51,650.08-77,279.61-30,601.42

Finding the Fourth Proportional to 51,650.08, 77,279.61 and 30,601.42

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Solution

The fourth proportional to 51,650.08, 77,279.61 and 30,601.42 is: 45,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,650.08 : 77,279.61 = 30,601.42 : x
  2. Step 2: Convert to fraction form
    51,650.08/77,279.61 = 30,601.42/x
  3. Step 3: Cross multiply
    51,650.08x = 77,279.61 × 30,601.42
  4. Step 4: Simplify right side
    51,650.08x = 2,364,865,803.05
  5. Step 5: Solve for x
    x = 2,364,865,803.05/51,650.08
  6. Step 6: Final answer
    x = 45,786.30

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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.