Home / 30,159.54-41,634.45-20,104.74

Finding the Fourth Proportional to 30,159.54, 41,634.45 and 20,104.74

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Solution

The fourth proportional to 30,159.54, 41,634.45 and 20,104.74 is: 27,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,159.54 : 41,634.45 = 20,104.74 : x
  2. Step 2: Convert to fraction form
    30,159.54/41,634.45 = 20,104.74/x
  3. Step 3: Cross multiply
    30,159.54x = 41,634.45 × 20,104.74
  4. Step 4: Simplify right side
    30,159.54x = 837,049,792.29
  5. Step 5: Solve for x
    x = 837,049,792.29/30,159.54
  6. Step 6: Final answer
    x = 27,754.06

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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.