Home / 52,032.16-78,016.63-20,404.33

Finding the Fourth Proportional to 52,032.16, 78,016.63 and 20,404.33

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Solution

The fourth proportional to 52,032.16, 78,016.63 and 20,404.33 is: 30,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,032.16 : 78,016.63 = 20,404.33 : x
  2. Step 2: Convert to fraction form
    52,032.16/78,016.63 = 20,404.33/x
  3. Step 3: Cross multiply
    52,032.16x = 78,016.63 × 20,404.33
  4. Step 4: Simplify right side
    52,032.16x = 1,591,876,571.90
  5. Step 5: Solve for x
    x = 1,591,876,571.90/52,032.16
  6. Step 6: Final answer
    x = 30,594.09

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1.5x scale

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.