Home / 36,989.76-51,045.86-20,222.76

Finding the Fourth Proportional to 36,989.76, 51,045.86 and 20,222.76

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Solution

The fourth proportional to 36,989.76, 51,045.86 and 20,222.76 is: 27,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.76 : 51,045.86 = 20,222.76 : x
  2. Step 2: Convert to fraction form
    36,989.76/51,045.86 = 20,222.76/x
  3. Step 3: Cross multiply
    36,989.76x = 51,045.86 × 20,222.76
  4. Step 4: Simplify right side
    36,989.76x = 1,032,288,175.77
  5. Step 5: Solve for x
    x = 1,032,288,175.77/36,989.76
  6. Step 6: Final answer
    x = 27,907.40

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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.