Home / 40,090.78-60,118.39-21,367.33

Finding the Fourth Proportional to 40,090.78, 60,118.39 and 21,367.33

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Solution

The fourth proportional to 40,090.78, 60,118.39 and 21,367.33 is: 32,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090.78 : 60,118.39 = 21,367.33 : x
  2. Step 2: Convert to fraction form
    40,090.78/60,118.39 = 21,367.33/x
  3. Step 3: Cross multiply
    40,090.78x = 60,118.39 × 21,367.33
  4. Step 4: Simplify right side
    40,090.78x = 1,284,569,478.20
  5. Step 5: Solve for x
    x = 1,284,569,478.20/40,090.78
  6. Step 6: Final answer
    x = 32,041.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.