Home / 36,031.23-54,046.85-12,652.20

Finding the Fourth Proportional to 36,031.23, 54,046.85 and 12,652.20

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Solution

The fourth proportional to 36,031.23, 54,046.85 and 12,652.20 is: 18,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,031.23 : 54,046.85 = 12,652.20 : x
  2. Step 2: Convert to fraction form
    36,031.23/54,046.85 = 12,652.20/x
  3. Step 3: Cross multiply
    36,031.23x = 54,046.85 × 12,652.20
  4. Step 4: Simplify right side
    36,031.23x = 683,811,492.31
  5. Step 5: Solve for x
    x = 683,811,492.31/36,031.23
  6. Step 6: Final answer
    x = 18,978.30

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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.