Home / 42,845.88-64,270.66-13,264.26

Finding the Fourth Proportional to 42,845.88, 64,270.66 and 13,264.26

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Solution

The fourth proportional to 42,845.88, 64,270.66 and 13,264.26 is: 19,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,845.88 : 64,270.66 = 13,264.26 : x
  2. Step 2: Convert to fraction form
    42,845.88/64,270.66 = 13,264.26/x
  3. Step 3: Cross multiply
    42,845.88x = 64,270.66 × 13,264.26
  4. Step 4: Simplify right side
    42,845.88x = 852,502,744.61
  5. Step 5: Solve for x
    x = 852,502,744.61/42,845.88
  6. Step 6: Final answer
    x = 19,896.96

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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.