Home / 30,967.31-46,452.72-8,778.94

Finding the Fourth Proportional to 30,967.31, 46,452.72 and 8,778.94

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Solution

The fourth proportional to 30,967.31, 46,452.72 and 8,778.94 is: 13,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,967.31 : 46,452.72 = 8,778.94 : x
  2. Step 2: Convert to fraction form
    30,967.31/46,452.72 = 8,778.94/x
  3. Step 3: Cross multiply
    30,967.31x = 46,452.72 × 8,778.94
  4. Step 4: Simplify right side
    30,967.31x = 407,805,558.51
  5. Step 5: Solve for x
    x = 407,805,558.51/30,967.31
  6. Step 6: Final answer
    x = 13,168.91

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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.