Home / 35,631.63-49,170.92-19,715.13

Finding the Fourth Proportional to 35,631.63, 49,170.92 and 19,715.13

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Solution

The fourth proportional to 35,631.63, 49,170.92 and 19,715.13 is: 27,206.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,631.63 : 49,170.92 = 19,715.13 : x
  2. Step 2: Convert to fraction form
    35,631.63/49,170.92 = 19,715.13/x
  3. Step 3: Cross multiply
    35,631.63x = 49,170.92 × 19,715.13
  4. Step 4: Simplify right side
    35,631.63x = 969,410,981.44
  5. Step 5: Solve for x
    x = 969,410,981.44/35,631.63
  6. Step 6: Final answer
    x = 27,206.47

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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.