Home / 38,733.64-53,450.46-21,735.76

Finding the Fourth Proportional to 38,733.64, 53,450.46 and 21,735.76

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Solution

The fourth proportional to 38,733.64, 53,450.46 and 21,735.76 is: 29,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,733.64 : 53,450.46 = 21,735.76 : x
  2. Step 2: Convert to fraction form
    38,733.64/53,450.46 = 21,735.76/x
  3. Step 3: Cross multiply
    38,733.64x = 53,450.46 × 21,735.76
  4. Step 4: Simplify right side
    38,733.64x = 1,161,786,370.45
  5. Step 5: Solve for x
    x = 1,161,786,370.45/38,733.64
  6. Step 6: Final answer
    x = 29,994.25

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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.