Home / 84,929.58-127,393.90-21,749.58

Finding the Fourth Proportional to 84,929.58, 127,393.90 and 21,749.58

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Solution

The fourth proportional to 84,929.58, 127,393.90 and 21,749.58 is: 32,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,929.58 : 127,393.90 = 21,749.58 : x
  2. Step 2: Convert to fraction form
    84,929.58/127,393.90 = 21,749.58/x
  3. Step 3: Cross multiply
    84,929.58x = 127,393.90 × 21,749.58
  4. Step 4: Simplify right side
    84,929.58x = 2,770,763,819.56
  5. Step 5: Solve for x
    x = 2,770,763,819.56/84,929.58
  6. Step 6: Final answer
    x = 32,624.25

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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.