Home / 40,243.23-60,365.99-10,661.07

Finding the Fourth Proportional to 40,243.23, 60,365.99 and 10,661.07

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Solution

The fourth proportional to 40,243.23, 60,365.99 and 10,661.07 is: 15,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,243.23 : 60,365.99 = 10,661.07 : x
  2. Step 2: Convert to fraction form
    40,243.23/60,365.99 = 10,661.07/x
  3. Step 3: Cross multiply
    40,243.23x = 60,365.99 × 10,661.07
  4. Step 4: Simplify right side
    40,243.23x = 643,565,991.70
  5. Step 5: Solve for x
    x = 643,565,991.70/40,243.23
  6. Step 6: Final answer
    x = 15,991.91

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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.