Home / 64,261.09-88,652.39-38,753.28

Finding the Fourth Proportional to 64,261.09, 88,652.39 and 38,753.28

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Solution

The fourth proportional to 64,261.09, 88,652.39 and 38,753.28 is: 53,462.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,261.09 : 88,652.39 = 38,753.28 : x
  2. Step 2: Convert to fraction form
    64,261.09/88,652.39 = 38,753.28/x
  3. Step 3: Cross multiply
    64,261.09x = 88,652.39 × 38,753.28
  4. Step 4: Simplify right side
    64,261.09x = 3,435,570,698.57
  5. Step 5: Solve for x
    x = 3,435,570,698.57/64,261.09
  6. Step 6: Final answer
    x = 53,462.69

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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.