Home / 34,981.32-48,278.52-19,879.68

Finding the Fourth Proportional to 34,981.32, 48,278.52 and 19,879.68

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Solution

The fourth proportional to 34,981.32, 48,278.52 and 19,879.68 is: 27,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,981.32 : 48,278.52 = 19,879.68 : x
  2. Step 2: Convert to fraction form
    34,981.32/48,278.52 = 19,879.68/x
  3. Step 3: Cross multiply
    34,981.32x = 48,278.52 × 19,879.68
  4. Step 4: Simplify right side
    34,981.32x = 959,761,528.47
  5. Step 5: Solve for x
    x = 959,761,528.47/34,981.32
  6. Step 6: Final answer
    x = 27,436.40

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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.