Home / 35,696.07-49,257.87-19,780.20

Finding the Fourth Proportional to 35,696.07, 49,257.87 and 19,780.20

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Solution

The fourth proportional to 35,696.07, 49,257.87 and 19,780.20 is: 27,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,696.07 : 49,257.87 = 19,780.20 : x
  2. Step 2: Convert to fraction form
    35,696.07/49,257.87 = 19,780.20/x
  3. Step 3: Cross multiply
    35,696.07x = 49,257.87 × 19,780.20
  4. Step 4: Simplify right side
    35,696.07x = 974,330,520.17
  5. Step 5: Solve for x
    x = 974,330,520.17/35,696.07
  6. Step 6: Final answer
    x = 27,295.18

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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.