Home / 42,783.66-64,132.36-17,837.48

Finding the Fourth Proportional to 42,783.66, 64,132.36 and 17,837.48

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Solution

The fourth proportional to 42,783.66, 64,132.36 and 17,837.48 is: 26,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,783.66 : 64,132.36 = 17,837.48 : x
  2. Step 2: Convert to fraction form
    42,783.66/64,132.36 = 17,837.48/x
  3. Step 3: Cross multiply
    42,783.66x = 64,132.36 × 17,837.48
  4. Step 4: Simplify right side
    42,783.66x = 1,143,959,804.59
  5. Step 5: Solve for x
    x = 1,143,959,804.59/42,783.66
  6. Step 6: Final answer
    x = 26,738.24

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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.