Home / 35,732.16-49,306.32-19,815.12

Finding the Fourth Proportional to 35,732.16, 49,306.32 and 19,815.12

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Solution

The fourth proportional to 35,732.16, 49,306.32 and 19,815.12 is: 27,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,732.16 : 49,306.32 = 19,815.12 : x
  2. Step 2: Convert to fraction form
    35,732.16/49,306.32 = 19,815.12/x
  3. Step 3: Cross multiply
    35,732.16x = 49,306.32 × 19,815.12
  4. Step 4: Simplify right side
    35,732.16x = 977,010,647.56
  5. Step 5: Solve for x
    x = 977,010,647.56/35,732.16
  6. Step 6: Final answer
    x = 27,342.61

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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.