Home / 20,164.30-30,246.45-14,980.30

Finding the Fourth Proportional to 20,164.30, 30,246.45 and 14,980.30

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Solution

The fourth proportional to 20,164.30, 30,246.45 and 14,980.30 is: 22,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164.30 : 30,246.45 = 14,980.30 : x
  2. Step 2: Convert to fraction form
    20,164.30/30,246.45 = 14,980.30/x
  3. Step 3: Cross multiply
    20,164.30x = 30,246.45 × 14,980.30
  4. Step 4: Simplify right side
    20,164.30x = 453,100,894.94
  5. Step 5: Solve for x
    x = 453,100,894.94/20,164.30
  6. Step 6: Final answer
    x = 22,470.45

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Double scale
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Similar ratio
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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.