Home / 54,270.91-74,894.64-30,397.76

Finding the Fourth Proportional to 54,270.91, 74,894.64 and 30,397.76

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Solution

The fourth proportional to 54,270.91, 74,894.64 and 30,397.76 is: 41,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,270.91 : 74,894.64 = 30,397.76 : x
  2. Step 2: Convert to fraction form
    54,270.91/74,894.64 = 30,397.76/x
  3. Step 3: Cross multiply
    54,270.91x = 74,894.64 × 30,397.76
  4. Step 4: Simplify right side
    54,270.91x = 2,276,629,044.74
  5. Step 5: Solve for x
    x = 2,276,629,044.74/54,270.91
  6. Step 6: Final answer
    x = 41,949.34

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1.5x scale

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.