Home / 38,018.33-52,460.72-21,020.28

Finding the Fourth Proportional to 38,018.33, 52,460.72 and 21,020.28

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Solution

The fourth proportional to 38,018.33, 52,460.72 and 21,020.28 is: 29,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,018.33 : 52,460.72 = 21,020.28 : x
  2. Step 2: Convert to fraction form
    38,018.33/52,460.72 = 21,020.28/x
  3. Step 3: Cross multiply
    38,018.33x = 52,460.72 × 21,020.28
  4. Step 4: Simplify right side
    38,018.33x = 1,102,738,918.30
  5. Step 5: Solve for x
    x = 1,102,738,918.30/38,018.33
  6. Step 6: Final answer
    x = 29,005.45

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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.