Home / 40,423.24-55,783.20-22,518.16

Finding the Fourth Proportional to 40,423.24, 55,783.20 and 22,518.16

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Solution

The fourth proportional to 40,423.24, 55,783.20 and 22,518.16 is: 31,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.24 : 55,783.20 = 22,518.16 : x
  2. Step 2: Convert to fraction form
    40,423.24/55,783.20 = 22,518.16/x
  3. Step 3: Cross multiply
    40,423.24x = 55,783.20 × 22,518.16
  4. Step 4: Simplify right side
    40,423.24x = 1,256,135,022.91
  5. Step 5: Solve for x
    x = 1,256,135,022.91/40,423.24
  6. Step 6: Final answer
    x = 31,074.58

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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.