Home / 42,846.79-64,283.31-19,174.26

Finding the Fourth Proportional to 42,846.79, 64,283.31 and 19,174.26

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Solution

The fourth proportional to 42,846.79, 64,283.31 and 19,174.26 is: 28,767.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,846.79 : 64,283.31 = 19,174.26 : x
  2. Step 2: Convert to fraction form
    42,846.79/64,283.31 = 19,174.26/x
  3. Step 3: Cross multiply
    42,846.79x = 64,283.31 × 19,174.26
  4. Step 4: Simplify right side
    42,846.79x = 1,232,584,578.18
  5. Step 5: Solve for x
    x = 1,232,584,578.18/42,846.79
  6. Step 6: Final answer
    x = 28,767.26

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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.