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Finding the Fourth Proportional to 60,566.70, 90,813.60 and 31,042.20

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Solution

The fourth proportional to 60,566.70, 90,813.60 and 31,042.20 is: 46,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,566.70 : 90,813.60 = 31,042.20 : x
  2. Step 2: Convert to fraction form
    60,566.70/90,813.60 = 31,042.20/x
  3. Step 3: Cross multiply
    60,566.70x = 90,813.60 × 31,042.20
  4. Step 4: Simplify right side
    60,566.70x = 2,819,053,933.92
  5. Step 5: Solve for x
    x = 2,819,053,933.92/60,566.70
  6. Step 6: Final answer
    x = 46,544.62

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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.