Home / 35,869.64-49,387.42-30,480.71

Finding the Fourth Proportional to 35,869.64, 49,387.42 and 30,480.71

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Solution

The fourth proportional to 35,869.64, 49,387.42 and 30,480.71 is: 41,967.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,869.64 : 49,387.42 = 30,480.71 : x
  2. Step 2: Convert to fraction form
    35,869.64/49,387.42 = 30,480.71/x
  3. Step 3: Cross multiply
    35,869.64x = 49,387.42 × 30,480.71
  4. Step 4: Simplify right side
    35,869.64x = 1,505,363,417.83
  5. Step 5: Solve for x
    x = 1,505,363,417.83/35,869.64
  6. Step 6: Final answer
    x = 41,967.63

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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.