Home / 39,638.61-54,702.99-23,720.00

Finding the Fourth Proportional to 39,638.61, 54,702.99 and 23,720.00

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Solution

The fourth proportional to 39,638.61, 54,702.99 and 23,720.00 is: 32,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.61 : 54,702.99 = 23,720.00 : x
  2. Step 2: Convert to fraction form
    39,638.61/54,702.99 = 23,720.00/x
  3. Step 3: Cross multiply
    39,638.61x = 54,702.99 × 23,720.00
  4. Step 4: Simplify right side
    39,638.61x = 1,297,554,649.29
  5. Step 5: Solve for x
    x = 1,297,554,649.29/39,638.61
  6. Step 6: Final answer
    x = 32,734.62

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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.