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Finding the Fourth Proportional to 60,697.60, 83,763.20 and 33,843.20

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Solution

The fourth proportional to 60,697.60, 83,763.20 and 33,843.20 is: 46,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,697.60 : 83,763.20 = 33,843.20 : x
  2. Step 2: Convert to fraction form
    60,697.60/83,763.20 = 33,843.20/x
  3. Step 3: Cross multiply
    60,697.60x = 83,763.20 × 33,843.20
  4. Step 4: Simplify right side
    60,697.60x = 2,834,814,730.24
  5. Step 5: Solve for x
    x = 2,834,814,730.24/60,697.60
  6. Step 6: Final answer
    x = 46,703.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.