Home / 51,501.48-77,242.68-18,221.82

Finding the Fourth Proportional to 51,501.48, 77,242.68 and 18,221.82

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Solution

The fourth proportional to 51,501.48, 77,242.68 and 18,221.82 is: 27,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,501.48 : 77,242.68 = 18,221.82 : x
  2. Step 2: Convert to fraction form
    51,501.48/77,242.68 = 18,221.82/x
  3. Step 3: Cross multiply
    51,501.48x = 77,242.68 × 18,221.82
  4. Step 4: Simplify right side
    51,501.48x = 1,407,502,211.28
  5. Step 5: Solve for x
    x = 1,407,502,211.28/51,501.48
  6. Step 6: Final answer
    x = 27,329.35

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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.