Home / 36,036.02-49,732.16-20,120.13

Finding the Fourth Proportional to 36,036.02, 49,732.16 and 20,120.13

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Solution

The fourth proportional to 36,036.02, 49,732.16 and 20,120.13 is: 27,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,036.02 : 49,732.16 = 20,120.13 : x
  2. Step 2: Convert to fraction form
    36,036.02/49,732.16 = 20,120.13/x
  3. Step 3: Cross multiply
    36,036.02x = 49,732.16 × 20,120.13
  4. Step 4: Simplify right side
    36,036.02x = 1,000,617,423.78
  5. Step 5: Solve for x
    x = 1,000,617,423.78/36,036.02
  6. Step 6: Final answer
    x = 27,767.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.