Home / 40,182.81-55,451.06-22,276.77

Finding the Fourth Proportional to 40,182.81, 55,451.06 and 22,276.77

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Solution

The fourth proportional to 40,182.81, 55,451.06 and 22,276.77 is: 30,741.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,182.81 : 55,451.06 = 22,276.77 : x
  2. Step 2: Convert to fraction form
    40,182.81/55,451.06 = 22,276.77/x
  3. Step 3: Cross multiply
    40,182.81x = 55,451.06 × 22,276.77
  4. Step 4: Simplify right side
    40,182.81x = 1,235,270,121.24
  5. Step 5: Solve for x
    x = 1,235,270,121.24/40,182.81
  6. Step 6: Final answer
    x = 30,741.26

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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.