Home / 45,360.43-67,942.18-21,937.75

Finding the Fourth Proportional to 45,360.43, 67,942.18 and 21,937.75

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Solution

The fourth proportional to 45,360.43, 67,942.18 and 21,937.75 is: 32,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,360.43 : 67,942.18 = 21,937.75 : x
  2. Step 2: Convert to fraction form
    45,360.43/67,942.18 = 21,937.75/x
  3. Step 3: Cross multiply
    45,360.43x = 67,942.18 × 21,937.75
  4. Step 4: Simplify right side
    45,360.43x = 1,490,498,559.30
  5. Step 5: Solve for x
    x = 1,490,498,559.30/45,360.43
  6. Step 6: Final answer
    x = 32,859.00

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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.