Home / 39,975.06-55,166.04-22,069.74

Finding the Fourth Proportional to 39,975.06, 55,166.04 and 22,069.74

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Solution

The fourth proportional to 39,975.06, 55,166.04 and 22,069.74 is: 30,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.06 : 55,166.04 = 22,069.74 : x
  2. Step 2: Convert to fraction form
    39,975.06/55,166.04 = 22,069.74/x
  3. Step 3: Cross multiply
    39,975.06x = 55,166.04 × 22,069.74
  4. Step 4: Simplify right side
    39,975.06x = 1,217,500,159.63
  5. Step 5: Solve for x
    x = 1,217,500,159.63/39,975.06
  6. Step 6: Final answer
    x = 30,456.49

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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.