Home / 37,693.92-52,018.80-21,778.08

Finding the Fourth Proportional to 37,693.92, 52,018.80 and 21,778.08

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Solution

The fourth proportional to 37,693.92, 52,018.80 and 21,778.08 is: 30,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,693.92 : 52,018.80 = 21,778.08 : x
  2. Step 2: Convert to fraction form
    37,693.92/52,018.80 = 21,778.08/x
  3. Step 3: Cross multiply
    37,693.92x = 52,018.80 × 21,778.08
  4. Step 4: Simplify right side
    37,693.92x = 1,132,869,587.90
  5. Step 5: Solve for x
    x = 1,132,869,587.90/37,693.92
  6. Step 6: Final answer
    x = 30,054.44

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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.