Home / 20,364.21-30,545.18-5,572.05

Finding the Fourth Proportional to 20,364.21, 30,545.18 and 5,572.05

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Solution

The fourth proportional to 20,364.21, 30,545.18 and 5,572.05 is: 8,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.21 : 30,545.18 = 5,572.05 : x
  2. Step 2: Convert to fraction form
    20,364.21/30,545.18 = 5,572.05/x
  3. Step 3: Cross multiply
    20,364.21x = 30,545.18 × 5,572.05
  4. Step 4: Simplify right side
    20,364.21x = 170,199,242.36
  5. Step 5: Solve for x
    x = 170,199,242.36/20,364.21
  6. Step 6: Final answer
    x = 8,357.76

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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.