Home / 40,283.96-60,405.18-18,078.29

Finding the Fourth Proportional to 40,283.96, 60,405.18 and 18,078.29

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Solution

The fourth proportional to 40,283.96, 60,405.18 and 18,078.29 is: 27,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,283.96 : 60,405.18 = 18,078.29 : x
  2. Step 2: Convert to fraction form
    40,283.96/60,405.18 = 18,078.29/x
  3. Step 3: Cross multiply
    40,283.96x = 60,405.18 × 18,078.29
  4. Step 4: Simplify right side
    40,283.96x = 1,092,022,558.02
  5. Step 5: Solve for x
    x = 1,092,022,558.02/40,283.96
  6. Step 6: Final answer
    x = 27,108.13

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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.