Home / 40,268.43-60,403.91-19,210.76

Finding the Fourth Proportional to 40,268.43, 60,403.91 and 19,210.76

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Solution

The fourth proportional to 40,268.43, 60,403.91 and 19,210.76 is: 28,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,268.43 : 60,403.91 = 19,210.76 : x
  2. Step 2: Convert to fraction form
    40,268.43/60,403.91 = 19,210.76/x
  3. Step 3: Cross multiply
    40,268.43x = 60,403.91 × 19,210.76
  4. Step 4: Simplify right side
    40,268.43x = 1,160,405,018.07
  5. Step 5: Solve for x
    x = 1,160,405,018.07/40,268.43
  6. Step 6: Final answer
    x = 28,816.74

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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.