Home / 53,396.43-73,684.68-30,736.13

Finding the Fourth Proportional to 53,396.43, 73,684.68 and 30,736.13

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Solution

The fourth proportional to 53,396.43, 73,684.68 and 30,736.13 is: 42,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,396.43 : 73,684.68 = 30,736.13 : x
  2. Step 2: Convert to fraction form
    53,396.43/73,684.68 = 30,736.13/x
  3. Step 3: Cross multiply
    53,396.43x = 73,684.68 × 30,736.13
  4. Step 4: Simplify right side
    53,396.43x = 2,264,781,535.07
  5. Step 5: Solve for x
    x = 2,264,781,535.07/53,396.43
  6. Step 6: Final answer
    x = 42,414.47

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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.