Home / 31,280.56-46,898.88-15,687.52

Finding the Fourth Proportional to 31,280.56, 46,898.88 and 15,687.52

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Solution

The fourth proportional to 31,280.56, 46,898.88 and 15,687.52 is: 23,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.56 : 46,898.88 = 15,687.52 : x
  2. Step 2: Convert to fraction form
    31,280.56/46,898.88 = 15,687.52/x
  3. Step 3: Cross multiply
    31,280.56x = 46,898.88 × 15,687.52
  4. Step 4: Simplify right side
    31,280.56x = 735,727,117.98
  5. Step 5: Solve for x
    x = 735,727,117.98/31,280.56
  6. Step 6: Final answer
    x = 23,520.27

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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.