Home / 30,885.48-46,327.68-7,512.12

Finding the Fourth Proportional to 30,885.48, 46,327.68 and 7,512.12

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Solution

The fourth proportional to 30,885.48, 46,327.68 and 7,512.12 is: 11,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885.48 : 46,327.68 = 7,512.12 : x
  2. Step 2: Convert to fraction form
    30,885.48/46,327.68 = 7,512.12/x
  3. Step 3: Cross multiply
    30,885.48x = 46,327.68 × 7,512.12
  4. Step 4: Simplify right side
    30,885.48x = 348,019,091.48
  5. Step 5: Solve for x
    x = 348,019,091.48/30,885.48
  6. Step 6: Final answer
    x = 11,268.05

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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.