Home / 20,302.34-30,452.54-5,309.46

Finding the Fourth Proportional to 20,302.34, 30,452.54 and 5,309.46

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Solution

The fourth proportional to 20,302.34, 30,452.54 and 5,309.46 is: 7,963.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.34 : 30,452.54 = 5,309.46 : x
  2. Step 2: Convert to fraction form
    20,302.34/30,452.54 = 5,309.46/x
  3. Step 3: Cross multiply
    20,302.34x = 30,452.54 × 5,309.46
  4. Step 4: Simplify right side
    20,302.34x = 161,686,516.48
  5. Step 5: Solve for x
    x = 161,686,516.48/20,302.34
  6. Step 6: Final answer
    x = 7,963.94

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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.