Home / 40,423.81-55,786.53-22,518.81

Finding the Fourth Proportional to 40,423.81, 55,786.53 and 22,518.81

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Solution

The fourth proportional to 40,423.81, 55,786.53 and 22,518.81 is: 31,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.81 : 55,786.53 = 22,518.81 : x
  2. Step 2: Convert to fraction form
    40,423.81/55,786.53 = 22,518.81/x
  3. Step 3: Cross multiply
    40,423.81x = 55,786.53 × 22,518.81
  4. Step 4: Simplify right side
    40,423.81x = 1,256,245,990.70
  5. Step 5: Solve for x
    x = 1,256,245,990.70/40,423.81
  6. Step 6: Final answer
    x = 31,076.89

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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.