Home / 49,747.60-74,621.40-39,906.10

Finding the Fourth Proportional to 49,747.60, 74,621.40 and 39,906.10

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Solution

The fourth proportional to 49,747.60, 74,621.40 and 39,906.10 is: 59,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,747.60 : 74,621.40 = 39,906.10 : x
  2. Step 2: Convert to fraction form
    49,747.60/74,621.40 = 39,906.10/x
  3. Step 3: Cross multiply
    49,747.60x = 74,621.40 × 39,906.10
  4. Step 4: Simplify right side
    49,747.60x = 2,977,849,050.54
  5. Step 5: Solve for x
    x = 2,977,849,050.54/49,747.60
  6. Step 6: Final answer
    x = 59,859.15

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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.