Home / 40,500.81-55,890.76-22,351.75

Finding the Fourth Proportional to 40,500.81, 55,890.76 and 22,351.75

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Solution

The fourth proportional to 40,500.81, 55,890.76 and 22,351.75 is: 30,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,500.81 : 55,890.76 = 22,351.75 : x
  2. Step 2: Convert to fraction form
    40,500.81/55,890.76 = 22,351.75/x
  3. Step 3: Cross multiply
    40,500.81x = 55,890.76 × 22,351.75
  4. Step 4: Simplify right side
    40,500.81x = 1,249,256,141.13
  5. Step 5: Solve for x
    x = 1,249,256,141.13/40,500.81
  6. Step 6: Final answer
    x = 30,845.21

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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.