Home / 38,037.96-52,492.08-21,270.96

Finding the Fourth Proportional to 38,037.96, 52,492.08 and 21,270.96

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Solution

The fourth proportional to 38,037.96, 52,492.08 and 21,270.96 is: 29,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,037.96 : 52,492.08 = 21,270.96 : x
  2. Step 2: Convert to fraction form
    38,037.96/52,492.08 = 21,270.96/x
  3. Step 3: Cross multiply
    38,037.96x = 52,492.08 × 21,270.96
  4. Step 4: Simplify right side
    38,037.96x = 1,116,556,934.00
  5. Step 5: Solve for x
    x = 1,116,556,934.00/38,037.96
  6. Step 6: Final answer
    x = 29,353.75

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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.