Home / 36,674-50,621.64-21,767.12

Finding the Fourth Proportional to 36,674, 50,621.64 and 21,767.12

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Solution

The fourth proportional to 36,674, 50,621.64 and 21,767.12 is: 30,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,674 : 50,621.64 = 21,767.12 : x
  2. Step 2: Convert to fraction form
    36,674/50,621.64 = 21,767.12/x
  3. Step 3: Cross multiply
    36,674x = 50,621.64 × 21,767.12
  4. Step 4: Simplify right side
    36,674x = 1,101,887,312.48
  5. Step 5: Solve for x
    x = 1,101,887,312.48/36,674
  6. Step 6: Final answer
    x = 30,045.46

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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.