Home / 38,777.58-58,166.64-21,237.84

Finding the Fourth Proportional to 38,777.58, 58,166.64 and 21,237.84

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Solution

The fourth proportional to 38,777.58, 58,166.64 and 21,237.84 is: 31,856.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,777.58 : 58,166.64 = 21,237.84 : x
  2. Step 2: Convert to fraction form
    38,777.58/58,166.64 = 21,237.84/x
  3. Step 3: Cross multiply
    38,777.58x = 58,166.64 × 21,237.84
  4. Step 4: Simplify right side
    38,777.58x = 1,235,333,793.66
  5. Step 5: Solve for x
    x = 1,235,333,793.66/38,777.58
  6. Step 6: Final answer
    x = 31,856.91

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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.