Home / 40,019.75-60,032.66-11,937.60

Finding the Fourth Proportional to 40,019.75, 60,032.66 and 11,937.60

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Solution

The fourth proportional to 40,019.75, 60,032.66 and 11,937.60 is: 17,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.75 : 60,032.66 = 11,937.60 : x
  2. Step 2: Convert to fraction form
    40,019.75/60,032.66 = 11,937.60/x
  3. Step 3: Cross multiply
    40,019.75x = 60,032.66 × 11,937.60
  4. Step 4: Simplify right side
    40,019.75x = 716,645,822.33
  5. Step 5: Solve for x
    x = 716,645,822.33/40,019.75
  6. Step 6: Final answer
    x = 17,907.31

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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.