Home / 35,631.06-49,172.31-19,715.24

Finding the Fourth Proportional to 35,631.06, 49,172.31 and 19,715.24

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Solution

The fourth proportional to 35,631.06, 49,172.31 and 19,715.24 is: 27,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,631.06 : 49,172.31 = 19,715.24 : x
  2. Step 2: Convert to fraction form
    35,631.06/49,172.31 = 19,715.24/x
  3. Step 3: Cross multiply
    35,631.06x = 49,172.31 × 19,715.24
  4. Step 4: Simplify right side
    35,631.06x = 969,443,647.14
  5. Step 5: Solve for x
    x = 969,443,647.14/35,631.06
  6. Step 6: Final answer
    x = 27,207.83

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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.