Home / 42,858.35-64,297.79-17,884.51

Finding the Fourth Proportional to 42,858.35, 64,297.79 and 17,884.51

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Solution

The fourth proportional to 42,858.35, 64,297.79 and 17,884.51 is: 26,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,858.35 : 64,297.79 = 17,884.51 : x
  2. Step 2: Convert to fraction form
    42,858.35/64,297.79 = 17,884.51/x
  3. Step 3: Cross multiply
    42,858.35x = 64,297.79 × 17,884.51
  4. Step 4: Simplify right side
    42,858.35x = 1,149,934,146.74
  5. Step 5: Solve for x
    x = 1,149,934,146.74/42,858.35
  6. Step 6: Final answer
    x = 26,831.04

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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.