Home / 40,073.04-60,111.09-11,993.49

Finding the Fourth Proportional to 40,073.04, 60,111.09 and 11,993.49

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Solution

The fourth proportional to 40,073.04, 60,111.09 and 11,993.49 is: 17,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073.04 : 60,111.09 = 11,993.49 : x
  2. Step 2: Convert to fraction form
    40,073.04/60,111.09 = 11,993.49/x
  3. Step 3: Cross multiply
    40,073.04x = 60,111.09 × 11,993.49
  4. Step 4: Simplify right side
    40,073.04x = 720,941,756.80
  5. Step 5: Solve for x
    x = 720,941,756.80/40,073.04
  6. Step 6: Final answer
    x = 17,990.69

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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.