Home / 40,242.12-60,355.20-20,246.28

Finding the Fourth Proportional to 40,242.12, 60,355.20 and 20,246.28

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Solution

The fourth proportional to 40,242.12, 60,355.20 and 20,246.28 is: 30,365.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242.12 : 60,355.20 = 20,246.28 : x
  2. Step 2: Convert to fraction form
    40,242.12/60,355.20 = 20,246.28/x
  3. Step 3: Cross multiply
    40,242.12x = 60,355.20 × 20,246.28
  4. Step 4: Simplify right side
    40,242.12x = 1,221,968,278.66
  5. Step 5: Solve for x
    x = 1,221,968,278.66/40,242.12
  6. Step 6: Final answer
    x = 30,365.41

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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.