Home / 40,489.80-55,901.92-25,403.16

Finding the Fourth Proportional to 40,489.80, 55,901.92 and 25,403.16

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Solution

The fourth proportional to 40,489.80, 55,901.92 and 25,403.16 is: 35,072.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,489.80 : 55,901.92 = 25,403.16 : x
  2. Step 2: Convert to fraction form
    40,489.80/55,901.92 = 25,403.16/x
  3. Step 3: Cross multiply
    40,489.80x = 55,901.92 × 25,403.16
  4. Step 4: Simplify right side
    40,489.80x = 1,420,085,418.07
  5. Step 5: Solve for x
    x = 1,420,085,418.07/40,489.80
  6. Step 6: Final answer
    x = 35,072.67

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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.