Home / 39,476.54-59,212.38-13,179.08

Finding the Fourth Proportional to 39,476.54, 59,212.38 and 13,179.08

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Solution

The fourth proportional to 39,476.54, 59,212.38 and 13,179.08 is: 19,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,476.54 : 59,212.38 = 13,179.08 : x
  2. Step 2: Convert to fraction form
    39,476.54/59,212.38 = 13,179.08/x
  3. Step 3: Cross multiply
    39,476.54x = 59,212.38 × 13,179.08
  4. Step 4: Simplify right side
    39,476.54x = 780,364,693.01
  5. Step 5: Solve for x
    x = 780,364,693.01/39,476.54
  6. Step 6: Final answer
    x = 19,767.81

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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.