Home / 38,008.59-52,447.30-21,010.54

Finding the Fourth Proportional to 38,008.59, 52,447.30 and 21,010.54

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Solution

The fourth proportional to 38,008.59, 52,447.30 and 21,010.54 is: 28,992.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,008.59 : 52,447.30 = 21,010.54 : x
  2. Step 2: Convert to fraction form
    38,008.59/52,447.30 = 21,010.54/x
  3. Step 3: Cross multiply
    38,008.59x = 52,447.30 × 21,010.54
  4. Step 4: Simplify right side
    38,008.59x = 1,101,946,094.54
  5. Step 5: Solve for x
    x = 1,101,946,094.54/38,008.59
  6. Step 6: Final answer
    x = 28,992.03

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Half scale
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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.