Home / 39,606.66-54,657.18-21,702.35

Finding the Fourth Proportional to 39,606.66, 54,657.18 and 21,702.35

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Solution

The fourth proportional to 39,606.66, 54,657.18 and 21,702.35 is: 29,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,606.66 : 54,657.18 = 21,702.35 : x
  2. Step 2: Convert to fraction form
    39,606.66/54,657.18 = 21,702.35/x
  3. Step 3: Cross multiply
    39,606.66x = 54,657.18 × 21,702.35
  4. Step 4: Simplify right side
    39,606.66x = 1,186,188,977.09
  5. Step 5: Solve for x
    x = 1,186,188,977.09/39,606.66
  6. Step 6: Final answer
    x = 29,949.23

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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.