Home / 48,482.57-72,675.18-20,409.45

Finding the Fourth Proportional to 48,482.57, 72,675.18 and 20,409.45

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Solution

The fourth proportional to 48,482.57, 72,675.18 and 20,409.45 is: 30,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,482.57 : 72,675.18 = 20,409.45 : x
  2. Step 2: Convert to fraction form
    48,482.57/72,675.18 = 20,409.45/x
  3. Step 3: Cross multiply
    48,482.57x = 72,675.18 × 20,409.45
  4. Step 4: Simplify right side
    48,482.57x = 1,483,260,452.45
  5. Step 5: Solve for x
    x = 1,483,260,452.45/48,482.57
  6. Step 6: Final answer
    x = 30,593.69

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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.