Home / 39,721.03-59,581.48-10,138.86

Finding the Fourth Proportional to 39,721.03, 59,581.48 and 10,138.86

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Solution

The fourth proportional to 39,721.03, 59,581.48 and 10,138.86 is: 15,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,721.03 : 59,581.48 = 10,138.86 : x
  2. Step 2: Convert to fraction form
    39,721.03/59,581.48 = 10,138.86/x
  3. Step 3: Cross multiply
    39,721.03x = 59,581.48 × 10,138.86
  4. Step 4: Simplify right side
    39,721.03x = 604,088,284.31
  5. Step 5: Solve for x
    x = 604,088,284.31/39,721.03
  6. Step 6: Final answer
    x = 15,208.27

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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.