Home / 35,778.30-53,667.94-10,818.56

Finding the Fourth Proportional to 35,778.30, 53,667.94 and 10,818.56

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Solution

The fourth proportional to 35,778.30, 53,667.94 and 10,818.56 is: 16,227.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.30 : 53,667.94 = 10,818.56 : x
  2. Step 2: Convert to fraction form
    35,778.30/53,667.94 = 10,818.56/x
  3. Step 3: Cross multiply
    35,778.30x = 53,667.94 × 10,818.56
  4. Step 4: Simplify right side
    35,778.30x = 580,609,828.97
  5. Step 5: Solve for x
    x = 580,609,828.97/35,778.30
  6. Step 6: Final answer
    x = 16,227.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.