Home / 30,899.56-46,347.18-8,712.04

Finding the Fourth Proportional to 30,899.56, 46,347.18 and 8,712.04

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Solution

The fourth proportional to 30,899.56, 46,347.18 and 8,712.04 is: 13,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,899.56 : 46,347.18 = 8,712.04 : x
  2. Step 2: Convert to fraction form
    30,899.56/46,347.18 = 8,712.04/x
  3. Step 3: Cross multiply
    30,899.56x = 46,347.18 × 8,712.04
  4. Step 4: Simplify right side
    30,899.56x = 403,778,486.05
  5. Step 5: Solve for x
    x = 403,778,486.05/30,899.56
  6. Step 6: Final answer
    x = 13,067.45

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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.