Home / 35,732.97-49,311.64-19,818.90

Finding the Fourth Proportional to 35,732.97, 49,311.64 and 19,818.90

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Solution

The fourth proportional to 35,732.97, 49,311.64 and 19,818.90 is: 27,350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,732.97 : 49,311.64 = 19,818.90 : x
  2. Step 2: Convert to fraction form
    35,732.97/49,311.64 = 19,818.90/x
  3. Step 3: Cross multiply
    35,732.97x = 49,311.64 × 19,818.90
  4. Step 4: Simplify right side
    35,732.97x = 977,302,165.89
  5. Step 5: Solve for x
    x = 977,302,165.89/35,732.97
  6. Step 6: Final answer
    x = 27,350.16

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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.