Home / 30,712.52-46,066.62-11,989.04

Finding the Fourth Proportional to 30,712.52, 46,066.62 and 11,989.04

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Solution

The fourth proportional to 30,712.52, 46,066.62 and 11,989.04 is: 17,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,712.52 : 46,066.62 = 11,989.04 : x
  2. Step 2: Convert to fraction form
    30,712.52/46,066.62 = 11,989.04/x
  3. Step 3: Cross multiply
    30,712.52x = 46,066.62 × 11,989.04
  4. Step 4: Simplify right side
    30,712.52x = 552,294,549.84
  5. Step 5: Solve for x
    x = 552,294,549.84/30,712.52
  6. Step 6: Final answer
    x = 17,982.72

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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.