Home / 40,399.13-60,599.67-13,745.07

Finding the Fourth Proportional to 40,399.13, 60,599.67 and 13,745.07

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Solution

The fourth proportional to 40,399.13, 60,599.67 and 13,745.07 is: 20,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,399.13 : 60,599.67 = 13,745.07 : x
  2. Step 2: Convert to fraction form
    40,399.13/60,599.67 = 13,745.07/x
  3. Step 3: Cross multiply
    40,399.13x = 60,599.67 × 13,745.07
  4. Step 4: Simplify right side
    40,399.13x = 832,946,706.13
  5. Step 5: Solve for x
    x = 832,946,706.13/40,399.13
  6. Step 6: Final answer
    x = 20,617.94

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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.