Home / 39,865.96-59,806.50-11,785.96

Finding the Fourth Proportional to 39,865.96, 59,806.50 and 11,785.96

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Solution

The fourth proportional to 39,865.96, 59,806.50 and 11,785.96 is: 17,681.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865.96 : 59,806.50 = 11,785.96 : x
  2. Step 2: Convert to fraction form
    39,865.96/59,806.50 = 11,785.96/x
  3. Step 3: Cross multiply
    39,865.96x = 59,806.50 × 11,785.96
  4. Step 4: Simplify right side
    39,865.96x = 704,877,016.74
  5. Step 5: Solve for x
    x = 704,877,016.74/39,865.96
  6. Step 6: Final answer
    x = 17,681.18

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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.