Home / 39,975.80-55,166.88-22,070.92

Finding the Fourth Proportional to 39,975.80, 55,166.88 and 22,070.92

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Solution

The fourth proportional to 39,975.80, 55,166.88 and 22,070.92 is: 30,458.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.80 : 55,166.88 = 22,070.92 : x
  2. Step 2: Convert to fraction form
    39,975.80/55,166.88 = 22,070.92/x
  3. Step 3: Cross multiply
    39,975.80x = 55,166.88 × 22,070.92
  4. Step 4: Simplify right side
    39,975.80x = 1,217,583,795.13
  5. Step 5: Solve for x
    x = 1,217,583,795.13/39,975.80
  6. Step 6: Final answer
    x = 30,458.02

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Double scale
Find fourth proportional to 39,976.80, 55,168.26 and 22,071.92
Similar ratio
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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.