Home / 53,136.02-79,714.54-15,185.63

Finding the Fourth Proportional to 53,136.02, 79,714.54 and 15,185.63

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Solution

The fourth proportional to 53,136.02, 79,714.54 and 15,185.63 is: 22,781.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,136.02 : 79,714.54 = 15,185.63 : x
  2. Step 2: Convert to fraction form
    53,136.02/79,714.54 = 15,185.63/x
  3. Step 3: Cross multiply
    53,136.02x = 79,714.54 × 15,185.63
  4. Step 4: Simplify right side
    53,136.02x = 1,210,515,035.56
  5. Step 5: Solve for x
    x = 1,210,515,035.56/53,136.02
  6. Step 6: Final answer
    x = 22,781.44

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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.