Home / 48,274.03-72,431.70-20,200.65

Finding the Fourth Proportional to 48,274.03, 72,431.70 and 20,200.65

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Solution

The fourth proportional to 48,274.03, 72,431.70 and 20,200.65 is: 30,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,274.03 : 72,431.70 = 20,200.65 : x
  2. Step 2: Convert to fraction form
    48,274.03/72,431.70 = 20,200.65/x
  3. Step 3: Cross multiply
    48,274.03x = 72,431.70 × 20,200.65
  4. Step 4: Simplify right side
    48,274.03x = 1,463,167,420.61
  5. Step 5: Solve for x
    x = 1,463,167,420.61/48,274.03
  6. Step 6: Final answer
    x = 30,309.62

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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.