Home / 35,696.60-49,260.57-19,780.91

Finding the Fourth Proportional to 35,696.60, 49,260.57 and 19,780.91

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Solution

The fourth proportional to 35,696.60, 49,260.57 and 19,780.91 is: 27,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,696.60 : 49,260.57 = 19,780.91 : x
  2. Step 2: Convert to fraction form
    35,696.60/49,260.57 = 19,780.91/x
  3. Step 3: Cross multiply
    35,696.60x = 49,260.57 × 19,780.91
  4. Step 4: Simplify right side
    35,696.60x = 974,418,901.72
  5. Step 5: Solve for x
    x = 974,418,901.72/35,696.60
  6. Step 6: Final answer
    x = 27,297.25

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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.