Home / 52,260.30-78,336.72-20,657.52

Finding the Fourth Proportional to 52,260.30, 78,336.72 and 20,657.52

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Solution

The fourth proportional to 52,260.30, 78,336.72 and 20,657.52 is: 30,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,260.30 : 78,336.72 = 20,657.52 : x
  2. Step 2: Convert to fraction form
    52,260.30/78,336.72 = 20,657.52/x
  3. Step 3: Cross multiply
    52,260.30x = 78,336.72 × 20,657.52
  4. Step 4: Simplify right side
    52,260.30x = 1,618,242,360.13
  5. Step 5: Solve for x
    x = 1,618,242,360.13/52,260.30
  6. Step 6: Final answer
    x = 30,965.04

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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.