Home / 48,403.74-66,785.46-28,249.14

Finding the Fourth Proportional to 48,403.74, 66,785.46 and 28,249.14

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Solution

The fourth proportional to 48,403.74, 66,785.46 and 28,249.14 is: 38,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,403.74 : 66,785.46 = 28,249.14 : x
  2. Step 2: Convert to fraction form
    48,403.74/66,785.46 = 28,249.14/x
  3. Step 3: Cross multiply
    48,403.74x = 66,785.46 × 28,249.14
  4. Step 4: Simplify right side
    48,403.74x = 1,886,631,809.50
  5. Step 5: Solve for x
    x = 1,886,631,809.50/48,403.74
  6. Step 6: Final answer
    x = 38,976.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.