Home / 31,889.14-47,835.33-10,831.66

Finding the Fourth Proportional to 31,889.14, 47,835.33 and 10,831.66

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Solution

The fourth proportional to 31,889.14, 47,835.33 and 10,831.66 is: 16,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,889.14 : 47,835.33 = 10,831.66 : x
  2. Step 2: Convert to fraction form
    31,889.14/47,835.33 = 10,831.66/x
  3. Step 3: Cross multiply
    31,889.14x = 47,835.33 × 10,831.66
  4. Step 4: Simplify right side
    31,889.14x = 518,136,030.55
  5. Step 5: Solve for x
    x = 518,136,030.55/31,889.14
  6. Step 6: Final answer
    x = 16,248.04

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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.