Home / 39,218.31-58,827.37-11,138.63

Finding the Fourth Proportional to 39,218.31, 58,827.37 and 11,138.63

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Solution

The fourth proportional to 39,218.31, 58,827.37 and 11,138.63 is: 16,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,218.31 : 58,827.37 = 11,138.63 : x
  2. Step 2: Convert to fraction form
    39,218.31/58,827.37 = 11,138.63/x
  3. Step 3: Cross multiply
    39,218.31x = 58,827.37 × 11,138.63
  4. Step 4: Simplify right side
    39,218.31x = 655,256,014.17
  5. Step 5: Solve for x
    x = 655,256,014.17/39,218.31
  6. Step 6: Final answer
    x = 16,707.91

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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.