Home / 40,840.62-61,129.65-21,092.22

Finding the Fourth Proportional to 40,840.62, 61,129.65 and 21,092.22

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Solution

The fourth proportional to 40,840.62, 61,129.65 and 21,092.22 is: 31,570.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,840.62 : 61,129.65 = 21,092.22 : x
  2. Step 2: Convert to fraction form
    40,840.62/61,129.65 = 21,092.22/x
  3. Step 3: Cross multiply
    40,840.62x = 61,129.65 × 21,092.22
  4. Step 4: Simplify right side
    40,840.62x = 1,289,360,026.32
  5. Step 5: Solve for x
    x = 1,289,360,026.32/40,840.62
  6. Step 6: Final answer
    x = 31,570.53

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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.