Home / 36,347.90-50,154.66-20,429.30

Finding the Fourth Proportional to 36,347.90, 50,154.66 and 20,429.30

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Solution

The fourth proportional to 36,347.90, 50,154.66 and 20,429.30 is: 28,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,347.90 : 50,154.66 = 20,429.30 : x
  2. Step 2: Convert to fraction form
    36,347.90/50,154.66 = 20,429.30/x
  3. Step 3: Cross multiply
    36,347.90x = 50,154.66 × 20,429.30
  4. Step 4: Simplify right side
    36,347.90x = 1,024,624,720.92
  5. Step 5: Solve for x
    x = 1,024,624,720.92/36,347.90
  6. Step 6: Final answer
    x = 28,189.38

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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.