Home / 31,803.18-47,711.67-9,615.99

Finding the Fourth Proportional to 31,803.18, 47,711.67 and 9,615.99

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Solution

The fourth proportional to 31,803.18, 47,711.67 and 9,615.99 is: 14,426.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,803.18 : 47,711.67 = 9,615.99 : x
  2. Step 2: Convert to fraction form
    31,803.18/47,711.67 = 9,615.99/x
  3. Step 3: Cross multiply
    31,803.18x = 47,711.67 × 9,615.99
  4. Step 4: Simplify right side
    31,803.18x = 458,794,941.60
  5. Step 5: Solve for x
    x = 458,794,941.60/31,803.18
  6. Step 6: Final answer
    x = 14,426.07

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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.