Home / 36,320.04-50,124.90-20,408.40

Finding the Fourth Proportional to 36,320.04, 50,124.90 and 20,408.40

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Solution

The fourth proportional to 36,320.04, 50,124.90 and 20,408.40 is: 28,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,320.04 : 50,124.90 = 20,408.40 : x
  2. Step 2: Convert to fraction form
    36,320.04/50,124.90 = 20,408.40/x
  3. Step 3: Cross multiply
    36,320.04x = 50,124.90 × 20,408.40
  4. Step 4: Simplify right side
    36,320.04x = 1,022,969,009.16
  5. Step 5: Solve for x
    x = 1,022,969,009.16/36,320.04
  6. Step 6: Final answer
    x = 28,165.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.