Home / 37,775.52-52,129.44-21,009.60

Finding the Fourth Proportional to 37,775.52, 52,129.44 and 21,009.60

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Solution

The fourth proportional to 37,775.52, 52,129.44 and 21,009.60 is: 28,992.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,775.52 : 52,129.44 = 21,009.60 : x
  2. Step 2: Convert to fraction form
    37,775.52/52,129.44 = 21,009.60/x
  3. Step 3: Cross multiply
    37,775.52x = 52,129.44 × 21,009.60
  4. Step 4: Simplify right side
    37,775.52x = 1,095,218,682.62
  5. Step 5: Solve for x
    x = 1,095,218,682.62/37,775.52
  6. Step 6: Final answer
    x = 28,992.82

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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.