Home / 31,700.57-47,559.83-15,886.53

Finding the Fourth Proportional to 31,700.57, 47,559.83 and 15,886.53

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Solution

The fourth proportional to 31,700.57, 47,559.83 and 15,886.53 is: 23,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,700.57 : 47,559.83 = 15,886.53 : x
  2. Step 2: Convert to fraction form
    31,700.57/47,559.83 = 15,886.53/x
  3. Step 3: Cross multiply
    31,700.57x = 47,559.83 × 15,886.53
  4. Step 4: Simplify right side
    31,700.57x = 755,560,586.66
  5. Step 5: Solve for x
    x = 755,560,586.66/31,700.57
  6. Step 6: Final answer
    x = 23,834.29

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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.