Home / 40,358.60-55,694.70-22,455.32

Finding the Fourth Proportional to 40,358.60, 55,694.70 and 22,455.32

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Solution

The fourth proportional to 40,358.60, 55,694.70 and 22,455.32 is: 30,988.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,358.60 : 55,694.70 = 22,455.32 : x
  2. Step 2: Convert to fraction form
    40,358.60/55,694.70 = 22,455.32/x
  3. Step 3: Cross multiply
    40,358.60x = 55,694.70 × 22,455.32
  4. Step 4: Simplify right side
    40,358.60x = 1,250,642,310.80
  5. Step 5: Solve for x
    x = 1,250,642,310.80/40,358.60
  6. Step 6: Final answer
    x = 30,988.25

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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.