Home / 34,130.97-47,081.61-19,981.08

Finding the Fourth Proportional to 34,130.97, 47,081.61 and 19,981.08

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Solution

The fourth proportional to 34,130.97, 47,081.61 and 19,981.08 is: 27,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,130.97 : 47,081.61 = 19,981.08 : x
  2. Step 2: Convert to fraction form
    34,130.97/47,081.61 = 19,981.08/x
  3. Step 3: Cross multiply
    34,130.97x = 47,081.61 × 19,981.08
  4. Step 4: Simplify right side
    34,130.97x = 940,741,415.94
  5. Step 5: Solve for x
    x = 940,741,415.94/34,130.97
  6. Step 6: Final answer
    x = 27,562.69

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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.