Home / 38,137.13-52,628.33-21,141.07

Finding the Fourth Proportional to 38,137.13, 52,628.33 and 21,141.07

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Solution

The fourth proportional to 38,137.13, 52,628.33 and 21,141.07 is: 29,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,137.13 : 52,628.33 = 21,141.07 : x
  2. Step 2: Convert to fraction form
    38,137.13/52,628.33 = 21,141.07/x
  3. Step 3: Cross multiply
    38,137.13x = 52,628.33 × 21,141.07
  4. Step 4: Simplify right side
    38,137.13x = 1,112,619,129.79
  5. Step 5: Solve for x
    x = 1,112,619,129.79/38,137.13
  6. Step 6: Final answer
    x = 29,174.17

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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.