Home / 67,015.54-92,453.16-40,149.46

Finding the Fourth Proportional to 67,015.54, 92,453.16 and 40,149.46

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Solution

The fourth proportional to 67,015.54, 92,453.16 and 40,149.46 is: 55,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,015.54 : 92,453.16 = 40,149.46 : x
  2. Step 2: Convert to fraction form
    67,015.54/92,453.16 = 40,149.46/x
  3. Step 3: Cross multiply
    67,015.54x = 92,453.16 × 40,149.46
  4. Step 4: Simplify right side
    67,015.54x = 3,711,944,449.29
  5. Step 5: Solve for x
    x = 3,711,944,449.29/67,015.54
  6. Step 6: Final answer
    x = 55,389.31

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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.