Home / 38,086.35-52,558.50-21,090.25

Finding the Fourth Proportional to 38,086.35, 52,558.50 and 21,090.25

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Solution

The fourth proportional to 38,086.35, 52,558.50 and 21,090.25 is: 29,104.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,086.35 : 52,558.50 = 21,090.25 : x
  2. Step 2: Convert to fraction form
    38,086.35/52,558.50 = 21,090.25/x
  3. Step 3: Cross multiply
    38,086.35x = 52,558.50 × 21,090.25
  4. Step 4: Simplify right side
    38,086.35x = 1,108,471,904.63
  5. Step 5: Solve for x
    x = 1,108,471,904.63/38,086.35
  6. Step 6: Final answer
    x = 29,104.18

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Double 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.