Home / 40,979.68-56,441.52-35,380.96

Finding the Fourth Proportional to 40,979.68, 56,441.52 and 35,380.96

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Solution

The fourth proportional to 40,979.68, 56,441.52 and 35,380.96 is: 48,730.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,979.68 : 56,441.52 = 35,380.96 : x
  2. Step 2: Convert to fraction form
    40,979.68/56,441.52 = 35,380.96/x
  3. Step 3: Cross multiply
    40,979.68x = 56,441.52 × 35,380.96
  4. Step 4: Simplify right side
    40,979.68x = 1,996,955,161.46
  5. Step 5: Solve for x
    x = 1,996,955,161.46/40,979.68
  6. Step 6: Final answer
    x = 48,730.37

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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.