Home / 30,279.20-45,329.20-22,522.40

Finding the Fourth Proportional to 30,279.20, 45,329.20 and 22,522.40

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Solution

The fourth proportional to 30,279.20, 45,329.20 and 22,522.40 is: 33,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.20 : 45,329.20 = 22,522.40 : x
  2. Step 2: Convert to fraction form
    30,279.20/45,329.20 = 22,522.40/x
  3. Step 3: Cross multiply
    30,279.20x = 45,329.20 × 22,522.40
  4. Step 4: Simplify right side
    30,279.20x = 1,020,922,374.08
  5. Step 5: Solve for x
    x = 1,020,922,374.08/30,279.20
  6. Step 6: Final answer
    x = 33,716.95

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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.