Home / 39,976.72-55,167.95-22,071.76

Finding the Fourth Proportional to 39,976.72, 55,167.95 and 22,071.76

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Solution

The fourth proportional to 39,976.72, 55,167.95 and 22,071.76 is: 30,459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,976.72 : 55,167.95 = 22,071.76 : x
  2. Step 2: Convert to fraction form
    39,976.72/55,167.95 = 22,071.76/x
  3. Step 3: Cross multiply
    39,976.72x = 55,167.95 × 22,071.76
  4. Step 4: Simplify right side
    39,976.72x = 1,217,653,752.09
  5. Step 5: Solve for x
    x = 1,217,653,752.09/39,976.72
  6. Step 6: Final answer
    x = 30,459.07

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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.