Home / 40,784.90-61,136.04-27,638.60

Finding the Fourth Proportional to 40,784.90, 61,136.04 and 27,638.60

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Solution

The fourth proportional to 40,784.90, 61,136.04 and 27,638.60 is: 41,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,784.90 : 61,136.04 = 27,638.60 : x
  2. Step 2: Convert to fraction form
    40,784.90/61,136.04 = 27,638.60/x
  3. Step 3: Cross multiply
    40,784.90x = 61,136.04 × 27,638.60
  4. Step 4: Simplify right side
    40,784.90x = 1,689,714,555.14
  5. Step 5: Solve for x
    x = 1,689,714,555.14/40,784.90
  6. Step 6: Final answer
    x = 41,429.91

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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.