Home / 57,497.26-79,278.34-39,356.74

Finding the Fourth Proportional to 57,497.26, 79,278.34 and 39,356.74

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Solution

The fourth proportional to 57,497.26, 79,278.34 and 39,356.74 is: 54,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,497.26 : 79,278.34 = 39,356.74 : x
  2. Step 2: Convert to fraction form
    57,497.26/79,278.34 = 39,356.74/x
  3. Step 3: Cross multiply
    57,497.26x = 79,278.34 × 39,356.74
  4. Step 4: Simplify right side
    57,497.26x = 3,120,137,015.01
  5. Step 5: Solve for x
    x = 3,120,137,015.01/57,497.26
  6. Step 6: Final answer
    x = 54,265.84

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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.