Home / 36,981.62-55,475.50-12,021.13

Finding the Fourth Proportional to 36,981.62, 55,475.50 and 12,021.13

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Solution

The fourth proportional to 36,981.62, 55,475.50 and 12,021.13 is: 18,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.62 : 55,475.50 = 12,021.13 : x
  2. Step 2: Convert to fraction form
    36,981.62/55,475.50 = 12,021.13/x
  3. Step 3: Cross multiply
    36,981.62x = 55,475.50 × 12,021.13
  4. Step 4: Simplify right side
    36,981.62x = 666,878,197.32
  5. Step 5: Solve for x
    x = 666,878,197.32/36,981.62
  6. Step 6: Final answer
    x = 18,032.69

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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.