Home / 34,710.40-47,909.08-31,167.44

Finding the Fourth Proportional to 34,710.40, 47,909.08 and 31,167.44

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Solution

The fourth proportional to 34,710.40, 47,909.08 and 31,167.44 is: 43,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,710.40 : 47,909.08 = 31,167.44 : x
  2. Step 2: Convert to fraction form
    34,710.40/47,909.08 = 31,167.44/x
  3. Step 3: Cross multiply
    34,710.40x = 47,909.08 × 31,167.44
  4. Step 4: Simplify right side
    34,710.40x = 1,493,203,376.36
  5. Step 5: Solve for x
    x = 1,493,203,376.36/34,710.40
  6. Step 6: Final answer
    x = 43,018.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.