Home / 38,055.04-52,518.72-21,293.44

Finding the Fourth Proportional to 38,055.04, 52,518.72 and 21,293.44

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Solution

The fourth proportional to 38,055.04, 52,518.72 and 21,293.44 is: 29,386.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,055.04 : 52,518.72 = 21,293.44 : x
  2. Step 2: Convert to fraction form
    38,055.04/52,518.72 = 21,293.44/x
  3. Step 3: Cross multiply
    38,055.04x = 52,518.72 × 21,293.44
  4. Step 4: Simplify right side
    38,055.04x = 1,118,304,213.20
  5. Step 5: Solve for x
    x = 1,118,304,213.20/38,055.04
  6. Step 6: Final answer
    x = 29,386.49

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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.