Home / 37,129.32-51,220.35-21,209.58

Finding the Fourth Proportional to 37,129.32, 51,220.35 and 21,209.58

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Solution

The fourth proportional to 37,129.32, 51,220.35 and 21,209.58 is: 29,258.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,129.32 : 51,220.35 = 21,209.58 : x
  2. Step 2: Convert to fraction form
    37,129.32/51,220.35 = 21,209.58/x
  3. Step 3: Cross multiply
    37,129.32x = 51,220.35 × 21,209.58
  4. Step 4: Simplify right side
    37,129.32x = 1,086,362,110.95
  5. Step 5: Solve for x
    x = 1,086,362,110.95/37,129.32
  6. Step 6: Final answer
    x = 29,258.87

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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.