Home / 52,260.28-78,336.72-20,657.50

Finding the Fourth Proportional to 52,260.28, 78,336.72 and 20,657.50

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Solution

The fourth proportional to 52,260.28, 78,336.72 and 20,657.50 is: 30,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,260.28 : 78,336.72 = 20,657.50 : x
  2. Step 2: Convert to fraction form
    52,260.28/78,336.72 = 20,657.50/x
  3. Step 3: Cross multiply
    52,260.28x = 78,336.72 × 20,657.50
  4. Step 4: Simplify right side
    52,260.28x = 1,618,240,793.40
  5. Step 5: Solve for x
    x = 1,618,240,793.40/52,260.28
  6. Step 6: Final answer
    x = 30,965.02

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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.