Home / 39,975.98-55,166.99-22,071.11

Finding the Fourth Proportional to 39,975.98, 55,166.99 and 22,071.11

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Solution

The fourth proportional to 39,975.98, 55,166.99 and 22,071.11 is: 30,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.98 : 55,166.99 = 22,071.11 : x
  2. Step 2: Convert to fraction form
    39,975.98/55,166.99 = 22,071.11/x
  3. Step 3: Cross multiply
    39,975.98x = 55,166.99 × 22,071.11
  4. Step 4: Simplify right side
    39,975.98x = 1,217,596,318.47
  5. Step 5: Solve for x
    x = 1,217,596,318.47/39,975.98
  6. Step 6: Final answer
    x = 30,458.20

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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.