Home / 34,938.75-48,219.12-19,835.49

Finding the Fourth Proportional to 34,938.75, 48,219.12 and 19,835.49

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Solution

The fourth proportional to 34,938.75, 48,219.12 and 19,835.49 is: 27,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,938.75 : 48,219.12 = 19,835.49 : x
  2. Step 2: Convert to fraction form
    34,938.75/48,219.12 = 19,835.49/x
  3. Step 3: Cross multiply
    34,938.75x = 48,219.12 × 19,835.49
  4. Step 4: Simplify right side
    34,938.75x = 956,449,872.57
  5. Step 5: Solve for x
    x = 956,449,872.57/34,938.75
  6. Step 6: Final answer
    x = 27,375.05

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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.