Home / 38,007.74-52,434.19-21,871.60

Finding the Fourth Proportional to 38,007.74, 52,434.19 and 21,871.60

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Solution

The fourth proportional to 38,007.74, 52,434.19 and 21,871.60 is: 30,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,007.74 : 52,434.19 = 21,871.60 : x
  2. Step 2: Convert to fraction form
    38,007.74/52,434.19 = 21,871.60/x
  3. Step 3: Cross multiply
    38,007.74x = 52,434.19 × 21,871.60
  4. Step 4: Simplify right side
    38,007.74x = 1,146,819,630.00
  5. Step 5: Solve for x
    x = 1,146,819,630.00/38,007.74
  6. Step 6: Final answer
    x = 30,173.32

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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.