Home / 53,894.78-74,377.11-30,021.47

Finding the Fourth Proportional to 53,894.78, 74,377.11 and 30,021.47

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Solution

The fourth proportional to 53,894.78, 74,377.11 and 30,021.47 is: 41,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,894.78 : 74,377.11 = 30,021.47 : x
  2. Step 2: Convert to fraction form
    53,894.78/74,377.11 = 30,021.47/x
  3. Step 3: Cross multiply
    53,894.78x = 74,377.11 × 30,021.47
  4. Step 4: Simplify right side
    53,894.78x = 2,232,910,176.55
  5. Step 5: Solve for x
    x = 2,232,910,176.55/53,894.78
  6. Step 6: Final answer
    x = 41,430.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.