Home / 38,292-52,844.54-21,296.16

Finding the Fourth Proportional to 38,292, 52,844.54 and 21,296.16

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Solution

The fourth proportional to 38,292, 52,844.54 and 21,296.16 is: 29,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,292 : 52,844.54 = 21,296.16 : x
  2. Step 2: Convert to fraction form
    38,292/52,844.54 = 21,296.16/x
  3. Step 3: Cross multiply
    38,292x = 52,844.54 × 21,296.16
  4. Step 4: Simplify right side
    38,292x = 1,125,385,778.97
  5. Step 5: Solve for x
    x = 1,125,385,778.97/38,292
  6. Step 6: Final answer
    x = 29,389.58

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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.