Home / 42,091.44-63,137.16-10,926.42

Finding the Fourth Proportional to 42,091.44, 63,137.16 and 10,926.42

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Solution

The fourth proportional to 42,091.44, 63,137.16 and 10,926.42 is: 16,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,091.44 : 63,137.16 = 10,926.42 : x
  2. Step 2: Convert to fraction form
    42,091.44/63,137.16 = 10,926.42/x
  3. Step 3: Cross multiply
    42,091.44x = 63,137.16 × 10,926.42
  4. Step 4: Simplify right side
    42,091.44x = 689,863,127.77
  5. Step 5: Solve for x
    x = 689,863,127.77/42,091.44
  6. Step 6: Final answer
    x = 16,389.63

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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.