Home / 31,418.99-47,097.05-17,385.28

Finding the Fourth Proportional to 31,418.99, 47,097.05 and 17,385.28

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Solution

The fourth proportional to 31,418.99, 47,097.05 and 17,385.28 is: 26,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.99 : 47,097.05 = 17,385.28 : x
  2. Step 2: Convert to fraction form
    31,418.99/47,097.05 = 17,385.28/x
  3. Step 3: Cross multiply
    31,418.99x = 47,097.05 × 17,385.28
  4. Step 4: Simplify right side
    31,418.99x = 818,795,461.68
  5. Step 5: Solve for x
    x = 818,795,461.68/31,418.99
  6. Step 6: Final answer
    x = 26,060.53

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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.