Home / 38,151.42-52,652.09-21,161.01

Finding the Fourth Proportional to 38,151.42, 52,652.09 and 21,161.01

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Solution

The fourth proportional to 38,151.42, 52,652.09 and 21,161.01 is: 29,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,151.42 : 52,652.09 = 21,161.01 : x
  2. Step 2: Convert to fraction form
    38,151.42/52,652.09 = 21,161.01/x
  3. Step 3: Cross multiply
    38,151.42x = 52,652.09 × 21,161.01
  4. Step 4: Simplify right side
    38,151.42x = 1,114,171,297.21
  5. Step 5: Solve for x
    x = 1,114,171,297.21/38,151.42
  6. Step 6: Final answer
    x = 29,203.93

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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.