Home / 20,041.19-30,050.67-8,203.28

Finding the Fourth Proportional to 20,041.19, 30,050.67 and 8,203.28

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Solution

The fourth proportional to 20,041.19, 30,050.67 and 8,203.28 is: 12,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.19 : 30,050.67 = 8,203.28 : x
  2. Step 2: Convert to fraction form
    20,041.19/30,050.67 = 8,203.28/x
  3. Step 3: Cross multiply
    20,041.19x = 30,050.67 × 8,203.28
  4. Step 4: Simplify right side
    20,041.19x = 246,513,909.94
  5. Step 5: Solve for x
    x = 246,513,909.94/20,041.19
  6. Step 6: Final answer
    x = 12,300.37

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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.