Home / 40,280.87-55,588.37-22,377.54

Finding the Fourth Proportional to 40,280.87, 55,588.37 and 22,377.54

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Solution

The fourth proportional to 40,280.87, 55,588.37 and 22,377.54 is: 30,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,280.87 : 55,588.37 = 22,377.54 : x
  2. Step 2: Convert to fraction form
    40,280.87/55,588.37 = 22,377.54/x
  3. Step 3: Cross multiply
    40,280.87x = 55,588.37 × 22,377.54
  4. Step 4: Simplify right side
    40,280.87x = 1,243,930,973.21
  5. Step 5: Solve for x
    x = 1,243,930,973.21/40,280.87
  6. Step 6: Final answer
    x = 30,881.43

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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.