Home / 40,220.74-55,511.26-22,321.52

Finding the Fourth Proportional to 40,220.74, 55,511.26 and 22,321.52

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Solution

The fourth proportional to 40,220.74, 55,511.26 and 22,321.52 is: 30,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220.74 : 55,511.26 = 22,321.52 : x
  2. Step 2: Convert to fraction form
    40,220.74/55,511.26 = 22,321.52/x
  3. Step 3: Cross multiply
    40,220.74x = 55,511.26 × 22,321.52
  4. Step 4: Simplify right side
    40,220.74x = 1,239,095,700.32
  5. Step 5: Solve for x
    x = 1,239,095,700.32/40,220.74
  6. Step 6: Final answer
    x = 30,807.38

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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.