Home / 31,659.18-47,495.97-16,860.30

Finding the Fourth Proportional to 31,659.18, 47,495.97 and 16,860.30

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Solution

The fourth proportional to 31,659.18, 47,495.97 and 16,860.30 is: 25,294.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,659.18 : 47,495.97 = 16,860.30 : x
  2. Step 2: Convert to fraction form
    31,659.18/47,495.97 = 16,860.30/x
  3. Step 3: Cross multiply
    31,659.18x = 47,495.97 × 16,860.30
  4. Step 4: Simplify right side
    31,659.18x = 800,796,302.99
  5. Step 5: Solve for x
    x = 800,796,302.99/31,659.18
  6. Step 6: Final answer
    x = 25,294.28

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1.5x scale

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.