Home / 49,742.20-74,613.30-39,900.70

Finding the Fourth Proportional to 49,742.20, 74,613.30 and 39,900.70

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Solution

The fourth proportional to 49,742.20, 74,613.30 and 39,900.70 is: 59,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,742.20 : 74,613.30 = 39,900.70 : x
  2. Step 2: Convert to fraction form
    49,742.20/74,613.30 = 39,900.70/x
  3. Step 3: Cross multiply
    49,742.20x = 74,613.30 × 39,900.70
  4. Step 4: Simplify right side
    49,742.20x = 2,977,122,899.31
  5. Step 5: Solve for x
    x = 2,977,122,899.31/49,742.20
  6. Step 6: Final answer
    x = 59,851.05

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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.