Home / 40,220.94-60,340.08-13,569.60

Finding the Fourth Proportional to 40,220.94, 60,340.08 and 13,569.60

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Solution

The fourth proportional to 40,220.94, 60,340.08 and 13,569.60 is: 20,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220.94 : 60,340.08 = 13,569.60 : x
  2. Step 2: Convert to fraction form
    40,220.94/60,340.08 = 13,569.60/x
  3. Step 3: Cross multiply
    40,220.94x = 60,340.08 × 13,569.60
  4. Step 4: Simplify right side
    40,220.94x = 818,790,749.57
  5. Step 5: Solve for x
    x = 818,790,749.57/40,220.94
  6. Step 6: Final answer
    x = 20,357.33

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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.