Home / 40,300.80-55,611.92-22,395.52

Finding the Fourth Proportional to 40,300.80, 55,611.92 and 22,395.52

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Solution

The fourth proportional to 40,300.80, 55,611.92 and 22,395.52 is: 30,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,300.80 : 55,611.92 = 22,395.52 : x
  2. Step 2: Convert to fraction form
    40,300.80/55,611.92 = 22,395.52/x
  3. Step 3: Cross multiply
    40,300.80x = 55,611.92 × 22,395.52
  4. Step 4: Simplify right side
    40,300.80x = 1,245,457,866.60
  5. Step 5: Solve for x
    x = 1,245,457,866.60/40,300.80
  6. Step 6: Final answer
    x = 30,904.05

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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.