Home / 35,731.46-49,306.16-19,815.86

Finding the Fourth Proportional to 35,731.46, 49,306.16 and 19,815.86

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Solution

The fourth proportional to 35,731.46, 49,306.16 and 19,815.86 is: 27,344.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,731.46 : 49,306.16 = 19,815.86 : x
  2. Step 2: Convert to fraction form
    35,731.46/49,306.16 = 19,815.86/x
  3. Step 3: Cross multiply
    35,731.46x = 49,306.16 × 19,815.86
  4. Step 4: Simplify right side
    35,731.46x = 977,043,963.70
  5. Step 5: Solve for x
    x = 977,043,963.70/35,731.46
  6. Step 6: Final answer
    x = 27,344.08

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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.