Home / 31,683.48-47,535.94-11,967.72

Finding the Fourth Proportional to 31,683.48, 47,535.94 and 11,967.72

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Solution

The fourth proportional to 31,683.48, 47,535.94 and 11,967.72 is: 17,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,683.48 : 47,535.94 = 11,967.72 : x
  2. Step 2: Convert to fraction form
    31,683.48/47,535.94 = 11,967.72/x
  3. Step 3: Cross multiply
    31,683.48x = 47,535.94 × 11,967.72
  4. Step 4: Simplify right side
    31,683.48x = 568,896,819.86
  5. Step 5: Solve for x
    x = 568,896,819.86/31,683.48
  6. Step 6: Final answer
    x = 17,955.63

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1.5x scale

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.