Home / 40,113.88-55,369.16-25,967.68

Finding the Fourth Proportional to 40,113.88, 55,369.16 and 25,967.68

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Solution

The fourth proportional to 40,113.88, 55,369.16 and 25,967.68 is: 35,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,113.88 : 55,369.16 = 25,967.68 : x
  2. Step 2: Convert to fraction form
    40,113.88/55,369.16 = 25,967.68/x
  3. Step 3: Cross multiply
    40,113.88x = 55,369.16 × 25,967.68
  4. Step 4: Simplify right side
    40,113.88x = 1,437,808,628.75
  5. Step 5: Solve for x
    x = 1,437,808,628.75/40,113.88
  6. Step 6: Final answer
    x = 35,843.17

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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.