Home / 61,330.20-91,995.30-30,226.20

Finding the Fourth Proportional to 61,330.20, 91,995.30 and 30,226.20

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Solution

The fourth proportional to 61,330.20, 91,995.30 and 30,226.20 is: 45,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,330.20 : 91,995.30 = 30,226.20 : x
  2. Step 2: Convert to fraction form
    61,330.20/91,995.30 = 30,226.20/x
  3. Step 3: Cross multiply
    61,330.20x = 91,995.30 × 30,226.20
  4. Step 4: Simplify right side
    61,330.20x = 2,780,668,336.86
  5. Step 5: Solve for x
    x = 2,780,668,336.86/61,330.20
  6. Step 6: Final answer
    x = 45,339.30

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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.