Home / 39,442.89-59,167.41-13,147.63

Finding the Fourth Proportional to 39,442.89, 59,167.41 and 13,147.63

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Solution

The fourth proportional to 39,442.89, 59,167.41 and 13,147.63 is: 19,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,442.89 : 59,167.41 = 13,147.63 : x
  2. Step 2: Convert to fraction form
    39,442.89/59,167.41 = 13,147.63/x
  3. Step 3: Cross multiply
    39,442.89x = 59,167.41 × 13,147.63
  4. Step 4: Simplify right side
    39,442.89x = 777,911,091.48
  5. Step 5: Solve for x
    x = 777,911,091.48/39,442.89
  6. Step 6: Final answer
    x = 19,722.47

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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.