Home / 39,929.40-59,865.30-26,086.20

Finding the Fourth Proportional to 39,929.40, 59,865.30 and 26,086.20

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Solution

The fourth proportional to 39,929.40, 59,865.30 and 26,086.20 is: 39,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929.40 : 59,865.30 = 26,086.20 : x
  2. Step 2: Convert to fraction form
    39,929.40/59,865.30 = 26,086.20/x
  3. Step 3: Cross multiply
    39,929.40x = 59,865.30 × 26,086.20
  4. Step 4: Simplify right side
    39,929.40x = 1,561,658,188.86
  5. Step 5: Solve for x
    x = 1,561,658,188.86/39,929.40
  6. Step 6: Final answer
    x = 39,110.48

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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.