Home / 39,476.79-59,212.76-13,179.33

Finding the Fourth Proportional to 39,476.79, 59,212.76 and 13,179.33

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Solution

The fourth proportional to 39,476.79, 59,212.76 and 13,179.33 is: 19,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,476.79 : 59,212.76 = 13,179.33 : x
  2. Step 2: Convert to fraction form
    39,476.79/59,212.76 = 13,179.33/x
  3. Step 3: Cross multiply
    39,476.79x = 59,212.76 × 13,179.33
  4. Step 4: Simplify right side
    39,476.79x = 780,384,438.35
  5. Step 5: Solve for x
    x = 780,384,438.35/39,476.79
  6. Step 6: Final answer
    x = 19,768.18

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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.