Home / 37,905.60-52,314.48-21,986.64

Finding the Fourth Proportional to 37,905.60, 52,314.48 and 21,986.64

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Solution

The fourth proportional to 37,905.60, 52,314.48 and 21,986.64 is: 30,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,905.60 : 52,314.48 = 21,986.64 : x
  2. Step 2: Convert to fraction form
    37,905.60/52,314.48 = 21,986.64/x
  3. Step 3: Cross multiply
    37,905.60x = 52,314.48 × 21,986.64
  4. Step 4: Simplify right side
    37,905.60x = 1,150,219,638.55
  5. Step 5: Solve for x
    x = 1,150,219,638.55/37,905.60
  6. Step 6: Final answer
    x = 30,344.32

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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.