Home / 20,350.04-30,470.38-12,914.24

Finding the Fourth Proportional to 20,350.04, 30,470.38 and 12,914.24

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Solution

The fourth proportional to 20,350.04, 30,470.38 and 12,914.24 is: 19,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.04 : 30,470.38 = 12,914.24 : x
  2. Step 2: Convert to fraction form
    20,350.04/30,470.38 = 12,914.24/x
  3. Step 3: Cross multiply
    20,350.04x = 30,470.38 × 12,914.24
  4. Step 4: Simplify right side
    20,350.04x = 393,501,800.21
  5. Step 5: Solve for x
    x = 393,501,800.21/20,350.04
  6. Step 6: Final answer
    x = 19,336.66

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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.