Home / 38,440.76-53,048.56-21,444.44

Finding the Fourth Proportional to 38,440.76, 53,048.56 and 21,444.44

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Solution

The fourth proportional to 38,440.76, 53,048.56 and 21,444.44 is: 29,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440.76 : 53,048.56 = 21,444.44 : x
  2. Step 2: Convert to fraction form
    38,440.76/53,048.56 = 21,444.44/x
  3. Step 3: Cross multiply
    38,440.76x = 53,048.56 × 21,444.44
  4. Step 4: Simplify right side
    38,440.76x = 1,137,596,662.01
  5. Step 5: Solve for x
    x = 1,137,596,662.01/38,440.76
  6. Step 6: Final answer
    x = 29,593.50

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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.