Home / 36,038.93-49,731.58-20,930.55

Finding the Fourth Proportional to 36,038.93, 49,731.58 and 20,930.55

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Solution

The fourth proportional to 36,038.93, 49,731.58 and 20,930.55 is: 28,882.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,038.93 : 49,731.58 = 20,930.55 : x
  2. Step 2: Convert to fraction form
    36,038.93/49,731.58 = 20,930.55/x
  3. Step 3: Cross multiply
    36,038.93x = 49,731.58 × 20,930.55
  4. Step 4: Simplify right side
    36,038.93x = 1,040,909,217.12
  5. Step 5: Solve for x
    x = 1,040,909,217.12/36,038.93
  6. Step 6: Final answer
    x = 28,882.91

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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.