Home / 40,272.66-60,441.39-20,556.45

Finding the Fourth Proportional to 40,272.66, 60,441.39 and 20,556.45

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Solution

The fourth proportional to 40,272.66, 60,441.39 and 20,556.45 is: 30,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.66 : 60,441.39 = 20,556.45 : x
  2. Step 2: Convert to fraction form
    40,272.66/60,441.39 = 20,556.45/x
  3. Step 3: Cross multiply
    40,272.66x = 60,441.39 × 20,556.45
  4. Step 4: Simplify right side
    40,272.66x = 1,242,460,411.47
  5. Step 5: Solve for x
    x = 1,242,460,411.47/40,272.66
  6. Step 6: Final answer
    x = 30,851.21

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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.