Home / 31,715.58-47,573.82-15,077.31

Finding the Fourth Proportional to 31,715.58, 47,573.82 and 15,077.31

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Solution

The fourth proportional to 31,715.58, 47,573.82 and 15,077.31 is: 22,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715.58 : 47,573.82 = 15,077.31 : x
  2. Step 2: Convert to fraction form
    31,715.58/47,573.82 = 15,077.31/x
  3. Step 3: Cross multiply
    31,715.58x = 47,573.82 × 15,077.31
  4. Step 4: Simplify right side
    31,715.58x = 717,285,232.02
  5. Step 5: Solve for x
    x = 717,285,232.02/31,715.58
  6. Step 6: Final answer
    x = 22,616.18

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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.