Home / 35,885.62-49,518.94-20,779.31

Finding the Fourth Proportional to 35,885.62, 49,518.94 and 20,779.31

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Solution

The fourth proportional to 35,885.62, 49,518.94 and 20,779.31 is: 28,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,885.62 : 49,518.94 = 20,779.31 : x
  2. Step 2: Convert to fraction form
    35,885.62/49,518.94 = 20,779.31/x
  3. Step 3: Cross multiply
    35,885.62x = 49,518.94 × 20,779.31
  4. Step 4: Simplify right side
    35,885.62x = 1,028,969,053.64
  5. Step 5: Solve for x
    x = 1,028,969,053.64/35,885.62
  6. Step 6: Final answer
    x = 28,673.58

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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.