Home / 34,860.78-48,094.56-21,427.74

Finding the Fourth Proportional to 34,860.78, 48,094.56 and 21,427.74

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Solution

The fourth proportional to 34,860.78, 48,094.56 and 21,427.74 is: 29,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,860.78 : 48,094.56 = 21,427.74 : x
  2. Step 2: Convert to fraction form
    34,860.78/48,094.56 = 21,427.74/x
  3. Step 3: Cross multiply
    34,860.78x = 48,094.56 × 21,427.74
  4. Step 4: Simplify right side
    34,860.78x = 1,030,557,727.09
  5. Step 5: Solve for x
    x = 1,030,557,727.09/34,860.78
  6. Step 6: Final answer
    x = 29,562.10

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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.