Home / 31,564.89-47,369.51-28,550.00

Finding the Fourth Proportional to 31,564.89, 47,369.51 and 28,550.00

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Solution

The fourth proportional to 31,564.89, 47,369.51 and 28,550.00 is: 42,845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.89 : 47,369.51 = 28,550.00 : x
  2. Step 2: Convert to fraction form
    31,564.89/47,369.51 = 28,550.00/x
  3. Step 3: Cross multiply
    31,564.89x = 47,369.51 × 28,550.00
  4. Step 4: Simplify right side
    31,564.89x = 1,352,399,593.24
  5. Step 5: Solve for x
    x = 1,352,399,593.24/31,564.89
  6. Step 6: Final answer
    x = 42,845.06

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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.