Home / 48,378.12-72,589.50-22,090.92

Finding the Fourth Proportional to 48,378.12, 72,589.50 and 22,090.92

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Solution

The fourth proportional to 48,378.12, 72,589.50 and 22,090.92 is: 33,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,378.12 : 72,589.50 = 22,090.92 : x
  2. Step 2: Convert to fraction form
    48,378.12/72,589.50 = 22,090.92/x
  3. Step 3: Cross multiply
    48,378.12x = 72,589.50 × 22,090.92
  4. Step 4: Simplify right side
    48,378.12x = 1,603,568,837.34
  5. Step 5: Solve for x
    x = 1,603,568,837.34/48,378.12
  6. Step 6: Final answer
    x = 33,146.57

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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.