Home / 34,772.40-47,985.49-18,856.66

Finding the Fourth Proportional to 34,772.40, 47,985.49 and 18,856.66

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Solution

The fourth proportional to 34,772.40, 47,985.49 and 18,856.66 is: 26,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.40 : 47,985.49 = 18,856.66 : x
  2. Step 2: Convert to fraction form
    34,772.40/47,985.49 = 18,856.66/x
  3. Step 3: Cross multiply
    34,772.40x = 47,985.49 × 18,856.66
  4. Step 4: Simplify right side
    34,772.40x = 904,846,069.86
  5. Step 5: Solve for x
    x = 904,846,069.86/34,772.40
  6. Step 6: Final answer
    x = 26,021.96

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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.