Home / 40,338.90-55,666.62-22,435.44

Finding the Fourth Proportional to 40,338.90, 55,666.62 and 22,435.44

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Solution

The fourth proportional to 40,338.90, 55,666.62 and 22,435.44 is: 30,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,338.90 : 55,666.62 = 22,435.44 : x
  2. Step 2: Convert to fraction form
    40,338.90/55,666.62 = 22,435.44/x
  3. Step 3: Cross multiply
    40,338.90x = 55,666.62 × 22,435.44
  4. Step 4: Simplify right side
    40,338.90x = 1,248,905,113.01
  5. Step 5: Solve for x
    x = 1,248,905,113.01/40,338.90
  6. Step 6: Final answer
    x = 30,960.32

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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.