Home / 30,710.52-46,063.62-11,987.04

Finding the Fourth Proportional to 30,710.52, 46,063.62 and 11,987.04

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Solution

The fourth proportional to 30,710.52, 46,063.62 and 11,987.04 is: 17,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,710.52 : 46,063.62 = 11,987.04 : x
  2. Step 2: Convert to fraction form
    30,710.52/46,063.62 = 11,987.04/x
  3. Step 3: Cross multiply
    30,710.52x = 46,063.62 × 11,987.04
  4. Step 4: Simplify right side
    30,710.52x = 552,166,455.48
  5. Step 5: Solve for x
    x = 552,166,455.48/30,710.52
  6. Step 6: Final answer
    x = 17,979.72

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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.