Home / 20,325.35-30,488.57-5,534.57

Finding the Fourth Proportional to 20,325.35, 30,488.57 and 5,534.57

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Solution

The fourth proportional to 20,325.35, 30,488.57 and 5,534.57 is: 8,302.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325.35 : 30,488.57 = 5,534.57 : x
  2. Step 2: Convert to fraction form
    20,325.35/30,488.57 = 5,534.57/x
  3. Step 3: Cross multiply
    20,325.35x = 30,488.57 × 5,534.57
  4. Step 4: Simplify right side
    20,325.35x = 168,740,944.75
  5. Step 5: Solve for x
    x = 168,740,944.75/20,325.35
  6. Step 6: Final answer
    x = 8,302.00

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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.