Home / 40,181.52-55,448.92-22,276.80

Finding the Fourth Proportional to 40,181.52, 55,448.92 and 22,276.80

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Solution

The fourth proportional to 40,181.52, 55,448.92 and 22,276.80 is: 30,741.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,181.52 : 55,448.92 = 22,276.80 : x
  2. Step 2: Convert to fraction form
    40,181.52/55,448.92 = 22,276.80/x
  3. Step 3: Cross multiply
    40,181.52x = 55,448.92 × 22,276.80
  4. Step 4: Simplify right side
    40,181.52x = 1,235,224,501.06
  5. Step 5: Solve for x
    x = 1,235,224,501.06/40,181.52
  6. Step 6: Final answer
    x = 30,741.11

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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.