Home / 39,374.60-59,079.33-20,650.16

Finding the Fourth Proportional to 39,374.60, 59,079.33 and 20,650.16

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Solution

The fourth proportional to 39,374.60, 59,079.33 and 20,650.16 is: 30,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,374.60 : 59,079.33 = 20,650.16 : x
  2. Step 2: Convert to fraction form
    39,374.60/59,079.33 = 20,650.16/x
  3. Step 3: Cross multiply
    39,374.60x = 59,079.33 × 20,650.16
  4. Step 4: Simplify right side
    39,374.60x = 1,219,997,321.80
  5. Step 5: Solve for x
    x = 1,219,997,321.80/39,374.60
  6. Step 6: Final answer
    x = 30,984.38

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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.