Home / 35,695.28-49,259.82-19,780.07

Finding the Fourth Proportional to 35,695.28, 49,259.82 and 19,780.07

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Solution

The fourth proportional to 35,695.28, 49,259.82 and 19,780.07 is: 27,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,695.28 : 49,259.82 = 19,780.07 : x
  2. Step 2: Convert to fraction form
    35,695.28/49,259.82 = 19,780.07/x
  3. Step 3: Cross multiply
    35,695.28x = 49,259.82 × 19,780.07
  4. Step 4: Simplify right side
    35,695.28x = 974,362,687.79
  5. Step 5: Solve for x
    x = 974,362,687.79/35,695.28
  6. Step 6: Final answer
    x = 27,296.68

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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.