Home / 53,301.52-79,987.86-22,136.74

Finding the Fourth Proportional to 53,301.52, 79,987.86 and 22,136.74

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Solution

The fourth proportional to 53,301.52, 79,987.86 and 22,136.74 is: 33,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,301.52 : 79,987.86 = 22,136.74 : x
  2. Step 2: Convert to fraction form
    53,301.52/79,987.86 = 22,136.74/x
  3. Step 3: Cross multiply
    53,301.52x = 79,987.86 × 22,136.74
  4. Step 4: Simplify right side
    53,301.52x = 1,770,670,459.98
  5. Step 5: Solve for x
    x = 1,770,670,459.98/53,301.52
  6. Step 6: Final answer
    x = 33,219.89

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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.