Home / 74,412.20-111,521.10-30,002.60

Finding the Fourth Proportional to 74,412.20, 111,521.10 and 30,002.60

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Solution

The fourth proportional to 74,412.20, 111,521.10 and 30,002.60 is: 44,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,412.20 : 111,521.10 = 30,002.60 : x
  2. Step 2: Convert to fraction form
    74,412.20/111,521.10 = 30,002.60/x
  3. Step 3: Cross multiply
    74,412.20x = 111,521.10 × 30,002.60
  4. Step 4: Simplify right side
    74,412.20x = 3,345,922,954.86
  5. Step 5: Solve for x
    x = 3,345,922,954.86/74,412.20
  6. Step 6: Final answer
    x = 44,964.71

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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.