Home / 49,437.89-68,229.18-28,220.35

Finding the Fourth Proportional to 49,437.89, 68,229.18 and 28,220.35

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Solution

The fourth proportional to 49,437.89, 68,229.18 and 28,220.35 is: 38,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,437.89 : 68,229.18 = 28,220.35 : x
  2. Step 2: Convert to fraction form
    49,437.89/68,229.18 = 28,220.35/x
  3. Step 3: Cross multiply
    49,437.89x = 68,229.18 × 28,220.35
  4. Step 4: Simplify right side
    49,437.89x = 1,925,450,998.67
  5. Step 5: Solve for x
    x = 1,925,450,998.67/49,437.89
  6. Step 6: Final answer
    x = 38,946.87

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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.