Home / 36,431.28-54,602.64-19,751.76

Finding the Fourth Proportional to 36,431.28, 54,602.64 and 19,751.76

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Solution

The fourth proportional to 36,431.28, 54,602.64 and 19,751.76 is: 29,603.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.28 : 54,602.64 = 19,751.76 : x
  2. Step 2: Convert to fraction form
    36,431.28/54,602.64 = 19,751.76/x
  3. Step 3: Cross multiply
    36,431.28x = 54,602.64 × 19,751.76
  4. Step 4: Simplify right side
    36,431.28x = 1,078,498,240.65
  5. Step 5: Solve for x
    x = 1,078,498,240.65/36,431.28
  6. Step 6: Final answer
    x = 29,603.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.