Home / 34,657.08-51,985.62-13,866

Finding the Fourth Proportional to 34,657.08, 51,985.62 and 13,866

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Solution

The fourth proportional to 34,657.08, 51,985.62 and 13,866 is: 20,799

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,657.08 : 51,985.62 = 13,866 : x
  2. Step 2: Convert to fraction form
    34,657.08/51,985.62 = 13,866/x
  3. Step 3: Cross multiply
    34,657.08x = 51,985.62 × 13,866
  4. Step 4: Simplify right side
    34,657.08x = 720,832,606.92
  5. Step 5: Solve for x
    x = 720,832,606.92/34,657.08
  6. Step 6: Final answer
    x = 20,799

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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.