Home / 39,606.41-54,656.84-21,702.10

Finding the Fourth Proportional to 39,606.41, 54,656.84 and 21,702.10

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Solution

The fourth proportional to 39,606.41, 54,656.84 and 21,702.10 is: 29,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,606.41 : 54,656.84 = 21,702.10 : x
  2. Step 2: Convert to fraction form
    39,606.41/54,656.84 = 21,702.10/x
  3. Step 3: Cross multiply
    39,606.41x = 54,656.84 × 21,702.10
  4. Step 4: Simplify right side
    39,606.41x = 1,186,167,825.57
  5. Step 5: Solve for x
    x = 1,186,167,825.57/39,606.41
  6. Step 6: Final answer
    x = 29,948.89

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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.