Home / 39,137.12-58,710.60-12,844.64

Finding the Fourth Proportional to 39,137.12, 58,710.60 and 12,844.64

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Solution

The fourth proportional to 39,137.12, 58,710.60 and 12,844.64 is: 19,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,137.12 : 58,710.60 = 12,844.64 : x
  2. Step 2: Convert to fraction form
    39,137.12/58,710.60 = 12,844.64/x
  3. Step 3: Cross multiply
    39,137.12x = 58,710.60 × 12,844.64
  4. Step 4: Simplify right side
    39,137.12x = 754,116,521.18
  5. Step 5: Solve for x
    x = 754,116,521.18/39,137.12
  6. Step 6: Final answer
    x = 19,268.57

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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.