Home / 36,002.90-54,004.35-21,204.20

Finding the Fourth Proportional to 36,002.90, 54,004.35 and 21,204.20

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Solution

The fourth proportional to 36,002.90, 54,004.35 and 21,204.20 is: 31,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,002.90 : 54,004.35 = 21,204.20 : x
  2. Step 2: Convert to fraction form
    36,002.90/54,004.35 = 21,204.20/x
  3. Step 3: Cross multiply
    36,002.90x = 54,004.35 × 21,204.20
  4. Step 4: Simplify right side
    36,002.90x = 1,145,119,038.27
  5. Step 5: Solve for x
    x = 1,145,119,038.27/36,002.90
  6. Step 6: Final answer
    x = 31,806.30

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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.