Home / 48,021.48-72,053.82-30,486.60

Finding the Fourth Proportional to 48,021.48, 72,053.82 and 30,486.60

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Solution

The fourth proportional to 48,021.48, 72,053.82 and 30,486.60 is: 45,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,021.48 : 72,053.82 = 30,486.60 : x
  2. Step 2: Convert to fraction form
    48,021.48/72,053.82 = 30,486.60/x
  3. Step 3: Cross multiply
    48,021.48x = 72,053.82 × 30,486.60
  4. Step 4: Simplify right side
    48,021.48x = 2,196,675,988.81
  5. Step 5: Solve for x
    x = 2,196,675,988.81/48,021.48
  6. Step 6: Final answer
    x = 45,743.61

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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.