Home / 36,749.16-50,712.93-21,438.64

Finding the Fourth Proportional to 36,749.16, 50,712.93 and 21,438.64

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Solution

The fourth proportional to 36,749.16, 50,712.93 and 21,438.64 is: 29,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,749.16 : 50,712.93 = 21,438.64 : x
  2. Step 2: Convert to fraction form
    36,749.16/50,712.93 = 21,438.64/x
  3. Step 3: Cross multiply
    36,749.16x = 50,712.93 × 21,438.64
  4. Step 4: Simplify right side
    36,749.16x = 1,087,216,313.01
  5. Step 5: Solve for x
    x = 1,087,216,313.01/36,749.16
  6. Step 6: Final answer
    x = 29,584.79

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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.