Home / 37,972.50-52,401.84-20,977.91

Finding the Fourth Proportional to 37,972.50, 52,401.84 and 20,977.91

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Solution

The fourth proportional to 37,972.50, 52,401.84 and 20,977.91 is: 28,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,972.50 : 52,401.84 = 20,977.91 : x
  2. Step 2: Convert to fraction form
    37,972.50/52,401.84 = 20,977.91/x
  3. Step 3: Cross multiply
    37,972.50x = 52,401.84 × 20,977.91
  4. Step 4: Simplify right side
    37,972.50x = 1,099,280,939.18
  5. Step 5: Solve for x
    x = 1,099,280,939.18/37,972.50
  6. Step 6: Final answer
    x = 28,949.40

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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.