Home / 40,406.15-60,609.15-18,193.57

Finding the Fourth Proportional to 40,406.15, 60,609.15 and 18,193.57

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Solution

The fourth proportional to 40,406.15, 60,609.15 and 18,193.57 is: 27,290.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,406.15 : 60,609.15 = 18,193.57 : x
  2. Step 2: Convert to fraction form
    40,406.15/60,609.15 = 18,193.57/x
  3. Step 3: Cross multiply
    40,406.15x = 60,609.15 × 18,193.57
  4. Step 4: Simplify right side
    40,406.15x = 1,102,696,813.17
  5. Step 5: Solve for x
    x = 1,102,696,813.17/40,406.15
  6. Step 6: Final answer
    x = 27,290.32

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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.