Home / 39,976.71-55,167.95-22,071.75

Finding the Fourth Proportional to 39,976.71, 55,167.95 and 22,071.75

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Solution

The fourth proportional to 39,976.71, 55,167.95 and 22,071.75 is: 30,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.71 : 55,167.95 = 22,071.75 : x
  2. Step 2: Convert to fraction form
    39,976.71/55,167.95 = 22,071.75/x
  3. Step 3: Cross multiply
    39,976.71x = 55,167.95 × 22,071.75
  4. Step 4: Simplify right side
    39,976.71x = 1,217,653,090.05
  5. Step 5: Solve for x
    x = 1,217,653,090.05/39,976.71
  6. Step 6: Final answer
    x = 30,459.06

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1.5x scale

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.