Home / 31,847.31-47,784.07-14,068.60

Finding the Fourth Proportional to 31,847.31, 47,784.07 and 14,068.60

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Solution

The fourth proportional to 31,847.31, 47,784.07 and 14,068.60 is: 21,108.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,847.31 : 47,784.07 = 14,068.60 : x
  2. Step 2: Convert to fraction form
    31,847.31/47,784.07 = 14,068.60/x
  3. Step 3: Cross multiply
    31,847.31x = 47,784.07 × 14,068.60
  4. Step 4: Simplify right side
    31,847.31x = 672,254,865.33
  5. Step 5: Solve for x
    x = 672,254,865.33/31,847.31
  6. Step 6: Final answer
    x = 21,108.69

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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.