Home / 31,865.55-47,798.33-15,174.98

Finding the Fourth Proportional to 31,865.55, 47,798.33 and 15,174.98

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Solution

The fourth proportional to 31,865.55, 47,798.33 and 15,174.98 is: 22,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,865.55 : 47,798.33 = 15,174.98 : x
  2. Step 2: Convert to fraction form
    31,865.55/47,798.33 = 15,174.98/x
  3. Step 3: Cross multiply
    31,865.55x = 47,798.33 × 15,174.98
  4. Step 4: Simplify right side
    31,865.55x = 725,338,566.16
  5. Step 5: Solve for x
    x = 725,338,566.16/31,865.55
  6. Step 6: Final answer
    x = 22,762.47

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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.