Home / 52,031.66-78,015.88-20,403.83

Finding the Fourth Proportional to 52,031.66, 78,015.88 and 20,403.83

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Solution

The fourth proportional to 52,031.66, 78,015.88 and 20,403.83 is: 30,593.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,031.66 : 78,015.88 = 20,403.83 : x
  2. Step 2: Convert to fraction form
    52,031.66/78,015.88 = 20,403.83/x
  3. Step 3: Cross multiply
    52,031.66x = 78,015.88 × 20,403.83
  4. Step 4: Simplify right side
    52,031.66x = 1,591,822,260.72
  5. Step 5: Solve for x
    x = 1,591,822,260.72/52,031.66
  6. Step 6: Final answer
    x = 30,593.34

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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.