Home / 37,396.77-51,607.69-20,401.38

Finding the Fourth Proportional to 37,396.77, 51,607.69 and 20,401.38

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Solution

The fourth proportional to 37,396.77, 51,607.69 and 20,401.38 is: 28,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,396.77 : 51,607.69 = 20,401.38 : x
  2. Step 2: Convert to fraction form
    37,396.77/51,607.69 = 20,401.38/x
  3. Step 3: Cross multiply
    37,396.77x = 51,607.69 × 20,401.38
  4. Step 4: Simplify right side
    37,396.77x = 1,052,868,094.61
  5. Step 5: Solve for x
    x = 1,052,868,094.61/37,396.77
  6. Step 6: Final answer
    x = 28,153.98

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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.