Home / 31,100.52-46,587.06-21,073.80

Finding the Fourth Proportional to 31,100.52, 46,587.06 and 21,073.80

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Solution

The fourth proportional to 31,100.52, 46,587.06 and 21,073.80 is: 31,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100.52 : 46,587.06 = 21,073.80 : x
  2. Step 2: Convert to fraction form
    31,100.52/46,587.06 = 21,073.80/x
  3. Step 3: Cross multiply
    31,100.52x = 46,587.06 × 21,073.80
  4. Step 4: Simplify right side
    31,100.52x = 981,766,385.03
  5. Step 5: Solve for x
    x = 981,766,385.03/31,100.52
  6. Step 6: Final answer
    x = 31,567.52

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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.