Home / 38,789.35-53,529.35-21,793.59

Finding the Fourth Proportional to 38,789.35, 53,529.35 and 21,793.59

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Solution

The fourth proportional to 38,789.35, 53,529.35 and 21,793.59 is: 30,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,789.35 : 53,529.35 = 21,793.59 : x
  2. Step 2: Convert to fraction form
    38,789.35/53,529.35 = 21,793.59/x
  3. Step 3: Cross multiply
    38,789.35x = 53,529.35 × 21,793.59
  4. Step 4: Simplify right side
    38,789.35x = 1,166,596,597.90
  5. Step 5: Solve for x
    x = 1,166,596,597.90/38,789.35
  6. Step 6: Final answer
    x = 30,075.18

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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.