Home / 49,380.09-74,079.34-19,800.24

Finding the Fourth Proportional to 49,380.09, 74,079.34 and 19,800.24

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Solution

The fourth proportional to 49,380.09, 74,079.34 and 19,800.24 is: 29,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,380.09 : 74,079.34 = 19,800.24 : x
  2. Step 2: Convert to fraction form
    49,380.09/74,079.34 = 19,800.24/x
  3. Step 3: Cross multiply
    49,380.09x = 74,079.34 × 19,800.24
  4. Step 4: Simplify right side
    49,380.09x = 1,466,788,711.04
  5. Step 5: Solve for x
    x = 1,466,788,711.04/49,380.09
  6. Step 6: Final answer
    x = 29,704.05

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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.