Home / 37,756.70-52,103.78-21,840.82

Finding the Fourth Proportional to 37,756.70, 52,103.78 and 21,840.82

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Solution

The fourth proportional to 37,756.70, 52,103.78 and 21,840.82 is: 30,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,756.70 : 52,103.78 = 21,840.82 : x
  2. Step 2: Convert to fraction form
    37,756.70/52,103.78 = 21,840.82/x
  3. Step 3: Cross multiply
    37,756.70x = 52,103.78 × 21,840.82
  4. Step 4: Simplify right side
    37,756.70x = 1,137,989,280.30
  5. Step 5: Solve for x
    x = 1,137,989,280.30/37,756.70
  6. Step 6: Final answer
    x = 30,140.06

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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.