Home / 35,931.48-49,585.41-20,015.79

Finding the Fourth Proportional to 35,931.48, 49,585.41 and 20,015.79

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Solution

The fourth proportional to 35,931.48, 49,585.41 and 20,015.79 is: 27,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,931.48 : 49,585.41 = 20,015.79 : x
  2. Step 2: Convert to fraction form
    35,931.48/49,585.41 = 20,015.79/x
  3. Step 3: Cross multiply
    35,931.48x = 49,585.41 × 20,015.79
  4. Step 4: Simplify right side
    35,931.48x = 992,491,153.62
  5. Step 5: Solve for x
    x = 992,491,153.62/35,931.48
  6. Step 6: Final answer
    x = 27,621.77

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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.