Home / 38,254.40-52,790.01-21,258.21

Finding the Fourth Proportional to 38,254.40, 52,790.01 and 21,258.21

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Solution

The fourth proportional to 38,254.40, 52,790.01 and 21,258.21 is: 29,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.40 : 52,790.01 = 21,258.21 : x
  2. Step 2: Convert to fraction form
    38,254.40/52,790.01 = 21,258.21/x
  3. Step 3: Cross multiply
    38,254.40x = 52,790.01 × 21,258.21
  4. Step 4: Simplify right side
    38,254.40x = 1,122,221,118.48
  5. Step 5: Solve for x
    x = 1,122,221,118.48/38,254.40
  6. Step 6: Final answer
    x = 29,335.74

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Half scale
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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.