Home / 53,894.42-74,364.45-30,020.48

Finding the Fourth Proportional to 53,894.42, 74,364.45 and 30,020.48

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Solution

The fourth proportional to 53,894.42, 74,364.45 and 30,020.48 is: 41,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,894.42 : 74,364.45 = 30,020.48 : x
  2. Step 2: Convert to fraction form
    53,894.42/74,364.45 = 30,020.48/x
  3. Step 3: Cross multiply
    53,894.42x = 74,364.45 × 30,020.48
  4. Step 4: Simplify right side
    53,894.42x = 2,232,456,483.94
  5. Step 5: Solve for x
    x = 2,232,456,483.94/53,894.42
  6. Step 6: Final answer
    x = 41,422.78

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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.