Home / 23,477.24-32,330.32-21,976.40

Finding the Fourth Proportional to 23,477.24, 32,330.32 and 21,976.40

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Solution

The fourth proportional to 23,477.24, 32,330.32 and 21,976.40 is: 30,263.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,477.24 : 32,330.32 = 21,976.40 : x
  2. Step 2: Convert to fraction form
    23,477.24/32,330.32 = 21,976.40/x
  3. Step 3: Cross multiply
    23,477.24x = 32,330.32 × 21,976.40
  4. Step 4: Simplify right side
    23,477.24x = 710,504,044.45
  5. Step 5: Solve for x
    x = 710,504,044.45/23,477.24
  6. Step 6: Final answer
    x = 30,263.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.