Home / 40,157.27-55,416.36-22,007.85

Finding the Fourth Proportional to 40,157.27, 55,416.36 and 22,007.85

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Solution

The fourth proportional to 40,157.27, 55,416.36 and 22,007.85 is: 30,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.27 : 55,416.36 = 22,007.85 : x
  2. Step 2: Convert to fraction form
    40,157.27/55,416.36 = 22,007.85/x
  3. Step 3: Cross multiply
    40,157.27x = 55,416.36 × 22,007.85
  4. Step 4: Simplify right side
    40,157.27x = 1,219,594,938.43
  5. Step 5: Solve for x
    x = 1,219,594,938.43/40,157.27
  6. Step 6: Final answer
    x = 30,370.47

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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.