Home / 42,906.36-64,349.82-15,204.36

Finding the Fourth Proportional to 42,906.36, 64,349.82 and 15,204.36

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Solution

The fourth proportional to 42,906.36, 64,349.82 and 15,204.36 is: 22,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,906.36 : 64,349.82 = 15,204.36 : x
  2. Step 2: Convert to fraction form
    42,906.36/64,349.82 = 15,204.36/x
  3. Step 3: Cross multiply
    42,906.36x = 64,349.82 × 15,204.36
  4. Step 4: Simplify right side
    42,906.36x = 978,397,829.22
  5. Step 5: Solve for x
    x = 978,397,829.22/42,906.36
  6. Step 6: Final answer
    x = 22,803.10

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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.