Home / 30,885.86-46,328.44-7,512.32

Finding the Fourth Proportional to 30,885.86, 46,328.44 and 7,512.32

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Solution

The fourth proportional to 30,885.86, 46,328.44 and 7,512.32 is: 11,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885.86 : 46,328.44 = 7,512.32 : x
  2. Step 2: Convert to fraction form
    30,885.86/46,328.44 = 7,512.32/x
  3. Step 3: Cross multiply
    30,885.86x = 46,328.44 × 7,512.32
  4. Step 4: Simplify right side
    30,885.86x = 348,034,066.38
  5. Step 5: Solve for x
    x = 348,034,066.38/30,885.86
  6. Step 6: Final answer
    x = 11,268.39

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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.