Home / 35,036.47-48,349.87-21,419.97

Finding the Fourth Proportional to 35,036.47, 48,349.87 and 21,419.97

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Solution

The fourth proportional to 35,036.47, 48,349.87 and 21,419.97 is: 29,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,036.47 : 48,349.87 = 21,419.97 : x
  2. Step 2: Convert to fraction form
    35,036.47/48,349.87 = 21,419.97/x
  3. Step 3: Cross multiply
    35,036.47x = 48,349.87 × 21,419.97
  4. Step 4: Simplify right side
    35,036.47x = 1,035,652,764.90
  5. Step 5: Solve for x
    x = 1,035,652,764.90/35,036.47
  6. Step 6: Final answer
    x = 29,559.28

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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.