Home / 35,748.43-49,338.70-19,838.00

Finding the Fourth Proportional to 35,748.43, 49,338.70 and 19,838.00

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Solution

The fourth proportional to 35,748.43, 49,338.70 and 19,838.00 is: 27,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,748.43 : 49,338.70 = 19,838.00 : x
  2. Step 2: Convert to fraction form
    35,748.43/49,338.70 = 19,838.00/x
  3. Step 3: Cross multiply
    35,748.43x = 49,338.70 × 19,838.00
  4. Step 4: Simplify right side
    35,748.43x = 978,781,204.35
  5. Step 5: Solve for x
    x = 978,781,204.35/35,748.43
  6. Step 6: Final answer
    x = 27,379.70

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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.