Home / 57,954-79,981.38-36,725.52

Finding the Fourth Proportional to 57,954, 79,981.38 and 36,725.52

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Solution

The fourth proportional to 57,954, 79,981.38 and 36,725.52 is: 50,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,954 : 79,981.38 = 36,725.52 : x
  2. Step 2: Convert to fraction form
    57,954/79,981.38 = 36,725.52/x
  3. Step 3: Cross multiply
    57,954x = 79,981.38 × 36,725.52
  4. Step 4: Simplify right side
    57,954x = 2,937,357,770.82
  5. Step 5: Solve for x
    x = 2,937,357,770.82/57,954
  6. Step 6: Final answer
    x = 50,684.30

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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.