Home / 38,806.93-58,220.64-21,029.69

Finding the Fourth Proportional to 38,806.93, 58,220.64 and 21,029.69

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Solution

The fourth proportional to 38,806.93, 58,220.64 and 21,029.69 is: 31,550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,806.93 : 58,220.64 = 21,029.69 : x
  2. Step 2: Convert to fraction form
    38,806.93/58,220.64 = 21,029.69/x
  3. Step 3: Cross multiply
    38,806.93x = 58,220.64 × 21,029.69
  4. Step 4: Simplify right side
    38,806.93x = 1,224,362,156.35
  5. Step 5: Solve for x
    x = 1,224,362,156.35/38,806.93
  6. Step 6: Final answer
    x = 31,550.09

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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.