Home / 38,005.08-52,448.46-21,237.24

Finding the Fourth Proportional to 38,005.08, 52,448.46 and 21,237.24

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Solution

The fourth proportional to 38,005.08, 52,448.46 and 21,237.24 is: 29,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.08 : 52,448.46 = 21,237.24 : x
  2. Step 2: Convert to fraction form
    38,005.08/52,448.46 = 21,237.24/x
  3. Step 3: Cross multiply
    38,005.08x = 52,448.46 × 21,237.24
  4. Step 4: Simplify right side
    38,005.08x = 1,113,860,532.65
  5. Step 5: Solve for x
    x = 1,113,860,532.65/38,005.08
  6. Step 6: Final answer
    x = 29,308.20

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Half scale
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Find fourth proportional to 38,006.08, 52,449.84 and 21,238.24
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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.