Home / 48,206.45-72,297.87-20,126.74

Finding the Fourth Proportional to 48,206.45, 72,297.87 and 20,126.74

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Solution

The fourth proportional to 48,206.45, 72,297.87 and 20,126.74 is: 30,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,206.45 : 72,297.87 = 20,126.74 : x
  2. Step 2: Convert to fraction form
    48,206.45/72,297.87 = 20,126.74/x
  3. Step 3: Cross multiply
    48,206.45x = 72,297.87 × 20,126.74
  4. Step 4: Simplify right side
    48,206.45x = 1,455,120,432.04
  5. Step 5: Solve for x
    x = 1,455,120,432.04/48,206.45
  6. Step 6: Final answer
    x = 30,185.18

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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.