Home / 40,268.32-60,356.91-20,505.13

Finding the Fourth Proportional to 40,268.32, 60,356.91 and 20,505.13

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Solution

The fourth proportional to 40,268.32, 60,356.91 and 20,505.13 is: 30,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,268.32 : 60,356.91 = 20,505.13 : x
  2. Step 2: Convert to fraction form
    40,268.32/60,356.91 = 20,505.13/x
  3. Step 3: Cross multiply
    40,268.32x = 60,356.91 × 20,505.13
  4. Step 4: Simplify right side
    40,268.32x = 1,237,626,284.50
  5. Step 5: Solve for x
    x = 1,237,626,284.50/40,268.32
  6. Step 6: Final answer
    x = 30,734.49

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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.