Home / 51,612.35-77,222.85-30,563.69

Finding the Fourth Proportional to 51,612.35, 77,222.85 and 30,563.69

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Solution

The fourth proportional to 51,612.35, 77,222.85 and 30,563.69 is: 45,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,612.35 : 77,222.85 = 30,563.69 : x
  2. Step 2: Convert to fraction form
    51,612.35/77,222.85 = 30,563.69/x
  3. Step 3: Cross multiply
    51,612.35x = 77,222.85 × 30,563.69
  4. Step 4: Simplify right side
    51,612.35x = 2,360,214,862.20
  5. Step 5: Solve for x
    x = 2,360,214,862.20/51,612.35
  6. Step 6: Final answer
    x = 45,729.66

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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.