Home / 38,291.40-52,843.44-21,300.42

Finding the Fourth Proportional to 38,291.40, 52,843.44 and 21,300.42

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Solution

The fourth proportional to 38,291.40, 52,843.44 and 21,300.42 is: 29,395.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,291.40 : 52,843.44 = 21,300.42 : x
  2. Step 2: Convert to fraction form
    38,291.40/52,843.44 = 21,300.42/x
  3. Step 3: Cross multiply
    38,291.40x = 52,843.44 × 21,300.42
  4. Step 4: Simplify right side
    38,291.40x = 1,125,587,466.24
  5. Step 5: Solve for x
    x = 1,125,587,466.24/38,291.40
  6. Step 6: Final answer
    x = 29,395.31

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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.