Home / 34,982.32-48,279.90-19,880.68

Finding the Fourth Proportional to 34,982.32, 48,279.90 and 19,880.68

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Solution

The fourth proportional to 34,982.32, 48,279.90 and 19,880.68 is: 27,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,982.32 : 48,279.90 = 19,880.68 : x
  2. Step 2: Convert to fraction form
    34,982.32/48,279.90 = 19,880.68/x
  3. Step 3: Cross multiply
    34,982.32x = 48,279.90 × 19,880.68
  4. Step 4: Simplify right side
    34,982.32x = 959,837,242.33
  5. Step 5: Solve for x
    x = 959,837,242.33/34,982.32
  6. Step 6: Final answer
    x = 27,437.78

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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.