Home / 35,731.17-49,308.93-19,818

Finding the Fourth Proportional to 35,731.17, 49,308.93 and 19,818

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Solution

The fourth proportional to 35,731.17, 49,308.93 and 19,818 is: 27,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,731.17 : 49,308.93 = 19,818 : x
  2. Step 2: Convert to fraction form
    35,731.17/49,308.93 = 19,818/x
  3. Step 3: Cross multiply
    35,731.17x = 49,308.93 × 19,818
  4. Step 4: Simplify right side
    35,731.17x = 977,204,374.74
  5. Step 5: Solve for x
    x = 977,204,374.74/35,731.17
  6. Step 6: Final answer
    x = 27,348.79

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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.