Home / 40,512.47-55,907.22-22,363.21

Finding the Fourth Proportional to 40,512.47, 55,907.22 and 22,363.21

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Solution

The fourth proportional to 40,512.47, 55,907.22 and 22,363.21 is: 30,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,512.47 : 55,907.22 = 22,363.21 : x
  2. Step 2: Convert to fraction form
    40,512.47/55,907.22 = 22,363.21/x
  3. Step 3: Cross multiply
    40,512.47x = 55,907.22 × 22,363.21
  4. Step 4: Simplify right side
    40,512.47x = 1,250,264,621.84
  5. Step 5: Solve for x
    x = 1,250,264,621.84/40,512.47
  6. Step 6: Final answer
    x = 30,861.23

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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.