Home / 38,484.06-53,103.32-21,489.25

Finding the Fourth Proportional to 38,484.06, 53,103.32 and 21,489.25

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Solution

The fourth proportional to 38,484.06, 53,103.32 and 21,489.25 is: 29,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,484.06 : 53,103.32 = 21,489.25 : x
  2. Step 2: Convert to fraction form
    38,484.06/53,103.32 = 21,489.25/x
  3. Step 3: Cross multiply
    38,484.06x = 53,103.32 × 21,489.25
  4. Step 4: Simplify right side
    38,484.06x = 1,141,150,519.70
  5. Step 5: Solve for x
    x = 1,141,150,519.70/38,484.06
  6. Step 6: Final answer
    x = 29,652.55

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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.