Home / 38,390.08-52,976.24-21,622

Finding the Fourth Proportional to 38,390.08, 52,976.24 and 21,622

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Solution

The fourth proportional to 38,390.08, 52,976.24 and 21,622 is: 29,837.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,390.08 : 52,976.24 = 21,622 : x
  2. Step 2: Convert to fraction form
    38,390.08/52,976.24 = 21,622/x
  3. Step 3: Cross multiply
    38,390.08x = 52,976.24 × 21,622
  4. Step 4: Simplify right side
    38,390.08x = 1,145,452,261.28
  5. Step 5: Solve for x
    x = 1,145,452,261.28/38,390.08
  6. Step 6: Final answer
    x = 29,837.19

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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.