Home / 20,364.85-30,545.02-5,373.49

Finding the Fourth Proportional to 20,364.85, 30,545.02 and 5,373.49

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Solution

The fourth proportional to 20,364.85, 30,545.02 and 5,373.49 is: 8,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.85 : 30,545.02 = 5,373.49 : x
  2. Step 2: Convert to fraction form
    20,364.85/30,545.02 = 5,373.49/x
  3. Step 3: Cross multiply
    20,364.85x = 30,545.02 × 5,373.49
  4. Step 4: Simplify right side
    20,364.85x = 164,133,269.72
  5. Step 5: Solve for x
    x = 164,133,269.72/20,364.85
  6. Step 6: Final answer
    x = 8,059.64

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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.