Home / 31,333.88-47,019.96-13,569.29

Finding the Fourth Proportional to 31,333.88, 47,019.96 and 13,569.29

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Solution

The fourth proportional to 31,333.88, 47,019.96 and 13,569.29 is: 20,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,333.88 : 47,019.96 = 13,569.29 : x
  2. Step 2: Convert to fraction form
    31,333.88/47,019.96 = 13,569.29/x
  3. Step 3: Cross multiply
    31,333.88x = 47,019.96 × 13,569.29
  4. Step 4: Simplify right side
    31,333.88x = 638,027,473.03
  5. Step 5: Solve for x
    x = 638,027,473.03/31,333.88
  6. Step 6: Final answer
    x = 20,362.22

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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.