Home / 53,136.74-79,715.62-15,186.35

Finding the Fourth Proportional to 53,136.74, 79,715.62 and 15,186.35

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Solution

The fourth proportional to 53,136.74, 79,715.62 and 15,186.35 is: 22,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,136.74 : 79,715.62 = 15,186.35 : x
  2. Step 2: Convert to fraction form
    53,136.74/79,715.62 = 15,186.35/x
  3. Step 3: Cross multiply
    53,136.74x = 79,715.62 × 15,186.35
  4. Step 4: Simplify right side
    53,136.74x = 1,210,588,869.24
  5. Step 5: Solve for x
    x = 1,210,588,869.24/53,136.74
  6. Step 6: Final answer
    x = 22,782.52

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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.