Home / 40,985.52-61,427.52-19,908.32

Finding the Fourth Proportional to 40,985.52, 61,427.52 and 19,908.32

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Solution

The fourth proportional to 40,985.52, 61,427.52 and 19,908.32 is: 29,837.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,985.52 : 61,427.52 = 19,908.32 : x
  2. Step 2: Convert to fraction form
    40,985.52/61,427.52 = 19,908.32/x
  3. Step 3: Cross multiply
    40,985.52x = 61,427.52 × 19,908.32
  4. Step 4: Simplify right side
    40,985.52x = 1,222,918,724.97
  5. Step 5: Solve for x
    x = 1,222,918,724.97/40,985.52
  6. Step 6: Final answer
    x = 29,837.82

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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.