Home / 37,980.12-52,408.09-20,983.35

Finding the Fourth Proportional to 37,980.12, 52,408.09 and 20,983.35

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Solution

The fourth proportional to 37,980.12, 52,408.09 and 20,983.35 is: 28,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,980.12 : 52,408.09 = 20,983.35 : x
  2. Step 2: Convert to fraction form
    37,980.12/52,408.09 = 20,983.35/x
  3. Step 3: Cross multiply
    37,980.12x = 52,408.09 × 20,983.35
  4. Step 4: Simplify right side
    37,980.12x = 1,099,697,046.31
  5. Step 5: Solve for x
    x = 1,099,697,046.31/37,980.12
  6. Step 6: Final answer
    x = 28,954.55

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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.