Home / 50,215.78-75,275.61-18,617.32

Finding the Fourth Proportional to 50,215.78, 75,275.61 and 18,617.32

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Solution

The fourth proportional to 50,215.78, 75,275.61 and 18,617.32 is: 27,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,215.78 : 75,275.61 = 18,617.32 : x
  2. Step 2: Convert to fraction form
    50,215.78/75,275.61 = 18,617.32/x
  3. Step 3: Cross multiply
    50,215.78x = 75,275.61 × 18,617.32
  4. Step 4: Simplify right side
    50,215.78x = 1,401,430,119.57
  5. Step 5: Solve for x
    x = 1,401,430,119.57/50,215.78
  6. Step 6: Final answer
    x = 27,908.16

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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.