Home / 39,985.44-59,973.39-31,109.67

Finding the Fourth Proportional to 39,985.44, 59,973.39 and 31,109.67

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Solution

The fourth proportional to 39,985.44, 59,973.39 and 31,109.67 is: 46,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,985.44 : 59,973.39 = 31,109.67 : x
  2. Step 2: Convert to fraction form
    39,985.44/59,973.39 = 31,109.67/x
  3. Step 3: Cross multiply
    39,985.44x = 59,973.39 × 31,109.67
  4. Step 4: Simplify right side
    39,985.44x = 1,865,752,371.68
  5. Step 5: Solve for x
    x = 1,865,752,371.68/39,985.44
  6. Step 6: Final answer
    x = 46,660.79

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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.