Home / 40,243.89-60,368.25-10,661.64

Finding the Fourth Proportional to 40,243.89, 60,368.25 and 10,661.64

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Solution

The fourth proportional to 40,243.89, 60,368.25 and 10,661.64 is: 15,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,243.89 : 60,368.25 = 10,661.64 : x
  2. Step 2: Convert to fraction form
    40,243.89/60,368.25 = 10,661.64/x
  3. Step 3: Cross multiply
    40,243.89x = 60,368.25 × 10,661.64
  4. Step 4: Simplify right side
    40,243.89x = 643,624,495.62
  5. Step 5: Solve for x
    x = 643,624,495.62/40,243.89
  6. Step 6: Final answer
    x = 15,993.10

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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.