Home / 36,021.18-54,031.74-9,725.88

Finding the Fourth Proportional to 36,021.18, 54,031.74 and 9,725.88

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Solution

The fourth proportional to 36,021.18, 54,031.74 and 9,725.88 is: 14,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,021.18 : 54,031.74 = 9,725.88 : x
  2. Step 2: Convert to fraction form
    36,021.18/54,031.74 = 9,725.88/x
  3. Step 3: Cross multiply
    36,021.18x = 54,031.74 × 9,725.88
  4. Step 4: Simplify right side
    36,021.18x = 525,506,219.43
  5. Step 5: Solve for x
    x = 525,506,219.43/36,021.18
  6. Step 6: Final answer
    x = 14,588.81

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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.