Home / 31,563.56-47,332.98-11,831.35

Finding the Fourth Proportional to 31,563.56, 47,332.98 and 11,831.35

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Solution

The fourth proportional to 31,563.56, 47,332.98 and 11,831.35 is: 17,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,563.56 : 47,332.98 = 11,831.35 : x
  2. Step 2: Convert to fraction form
    31,563.56/47,332.98 = 11,831.35/x
  3. Step 3: Cross multiply
    31,563.56x = 47,332.98 × 11,831.35
  4. Step 4: Simplify right side
    31,563.56x = 560,012,934.59
  5. Step 5: Solve for x
    x = 560,012,934.59/31,563.56
  6. Step 6: Final answer
    x = 17,742.39

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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.