Home / 36,052.20-54,038.70-12,666.60

Finding the Fourth Proportional to 36,052.20, 54,038.70 and 12,666.60

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Solution

The fourth proportional to 36,052.20, 54,038.70 and 12,666.60 is: 18,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,052.20 : 54,038.70 = 12,666.60 : x
  2. Step 2: Convert to fraction form
    36,052.20/54,038.70 = 12,666.60/x
  3. Step 3: Cross multiply
    36,052.20x = 54,038.70 × 12,666.60
  4. Step 4: Simplify right side
    36,052.20x = 684,486,597.42
  5. Step 5: Solve for x
    x = 684,486,597.42/36,052.20
  6. Step 6: Final answer
    x = 18,985.99

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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.