Home / 20,033.72-30,041.40-10,671.29

Finding the Fourth Proportional to 20,033.72, 30,041.40 and 10,671.29

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Solution

The fourth proportional to 20,033.72, 30,041.40 and 10,671.29 is: 16,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.72 : 30,041.40 = 10,671.29 : x
  2. Step 2: Convert to fraction form
    20,033.72/30,041.40 = 10,671.29/x
  3. Step 3: Cross multiply
    20,033.72x = 30,041.40 × 10,671.29
  4. Step 4: Simplify right side
    20,033.72x = 320,580,491.41
  5. Step 5: Solve for x
    x = 320,580,491.41/20,033.72
  6. Step 6: Final answer
    x = 16,002.05

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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.