Home / 20,164.50-30,246.76-5,572.50

Finding the Fourth Proportional to 20,164.50, 30,246.76 and 5,572.50

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Solution

The fourth proportional to 20,164.50, 30,246.76 and 5,572.50 is: 8,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164.50 : 30,246.76 = 5,572.50 : x
  2. Step 2: Convert to fraction form
    20,164.50/30,246.76 = 5,572.50/x
  3. Step 3: Cross multiply
    20,164.50x = 30,246.76 × 5,572.50
  4. Step 4: Simplify right side
    20,164.50x = 168,550,070.10
  5. Step 5: Solve for x
    x = 168,550,070.10/20,164.50
  6. Step 6: Final answer
    x = 8,358.75

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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.