Home / 49,435.89-68,226.42-28,218.35

Finding the Fourth Proportional to 49,435.89, 68,226.42 and 28,218.35

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Solution

The fourth proportional to 49,435.89, 68,226.42 and 28,218.35 is: 38,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,435.89 : 68,226.42 = 28,218.35 : x
  2. Step 2: Convert to fraction form
    49,435.89/68,226.42 = 28,218.35/x
  3. Step 3: Cross multiply
    49,435.89x = 68,226.42 × 28,218.35
  4. Step 4: Simplify right side
    49,435.89x = 1,925,236,657.67
  5. Step 5: Solve for x
    x = 1,925,236,657.67/49,435.89
  6. Step 6: Final answer
    x = 38,944.11

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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.