Home / 40,820.78-61,172.75-23,254.31

Finding the Fourth Proportional to 40,820.78, 61,172.75 and 23,254.31

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Solution

The fourth proportional to 40,820.78, 61,172.75 and 23,254.31 is: 34,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,820.78 : 61,172.75 = 23,254.31 : x
  2. Step 2: Convert to fraction form
    40,820.78/61,172.75 = 23,254.31/x
  3. Step 3: Cross multiply
    40,820.78x = 61,172.75 × 23,254.31
  4. Step 4: Simplify right side
    40,820.78x = 1,422,530,092.05
  5. Step 5: Solve for x
    x = 1,422,530,092.05/40,820.78
  6. Step 6: Final answer
    x = 34,848.18

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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.