Home / 40,148.53-55,405.41-22,243.81

Finding the Fourth Proportional to 40,148.53, 55,405.41 and 22,243.81

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Solution

The fourth proportional to 40,148.53, 55,405.41 and 22,243.81 is: 30,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,148.53 : 55,405.41 = 22,243.81 : x
  2. Step 2: Convert to fraction form
    40,148.53/55,405.41 = 22,243.81/x
  3. Step 3: Cross multiply
    40,148.53x = 55,405.41 × 22,243.81
  4. Step 4: Simplify right side
    40,148.53x = 1,232,427,413.01
  5. Step 5: Solve for x
    x = 1,232,427,413.01/40,148.53
  6. Step 6: Final answer
    x = 30,696.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.