Home / 31,590.98-43,560.00-25,830.46

Finding the Fourth Proportional to 31,590.98, 43,560.00 and 25,830.46

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Solution

The fourth proportional to 31,590.98, 43,560.00 and 25,830.46 is: 35,616.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590.98 : 43,560.00 = 25,830.46 : x
  2. Step 2: Convert to fraction form
    31,590.98/43,560.00 = 25,830.46/x
  3. Step 3: Cross multiply
    31,590.98x = 43,560.00 × 25,830.46
  4. Step 4: Simplify right side
    31,590.98x = 1,125,174,793.28
  5. Step 5: Solve for x
    x = 1,125,174,793.28/31,590.98
  6. Step 6: Final answer
    x = 35,616.97

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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.