Home / 36,945.28-55,430.64-20,283.96

Finding the Fourth Proportional to 36,945.28, 55,430.64 and 20,283.96

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Solution

The fourth proportional to 36,945.28, 55,430.64 and 20,283.96 is: 30,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,945.28 : 55,430.64 = 20,283.96 : x
  2. Step 2: Convert to fraction form
    36,945.28/55,430.64 = 20,283.96/x
  3. Step 3: Cross multiply
    36,945.28x = 55,430.64 × 20,283.96
  4. Step 4: Simplify right side
    36,945.28x = 1,124,352,884.53
  5. Step 5: Solve for x
    x = 1,124,352,884.53/36,945.28
  6. Step 6: Final answer
    x = 30,432.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.