Home / 31,449.04-47,181.48-11,728.24

Finding the Fourth Proportional to 31,449.04, 47,181.48 and 11,728.24

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Solution

The fourth proportional to 31,449.04, 47,181.48 and 11,728.24 is: 17,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449.04 : 47,181.48 = 11,728.24 : x
  2. Step 2: Convert to fraction form
    31,449.04/47,181.48 = 11,728.24/x
  3. Step 3: Cross multiply
    31,449.04x = 47,181.48 × 11,728.24
  4. Step 4: Simplify right side
    31,449.04x = 553,355,721.00
  5. Step 5: Solve for x
    x = 553,355,721.00/31,449.04
  6. Step 6: Final answer
    x = 17,595.31

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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.