Home / 39,556.84-54,586.02-21,650.92

Finding the Fourth Proportional to 39,556.84, 54,586.02 and 21,650.92

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Solution

The fourth proportional to 39,556.84, 54,586.02 and 21,650.92 is: 29,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,556.84 : 54,586.02 = 21,650.92 : x
  2. Step 2: Convert to fraction form
    39,556.84/54,586.02 = 21,650.92/x
  3. Step 3: Cross multiply
    39,556.84x = 54,586.02 × 21,650.92
  4. Step 4: Simplify right side
    39,556.84x = 1,181,837,552.14
  5. Step 5: Solve for x
    x = 1,181,837,552.14/39,556.84
  6. Step 6: Final answer
    x = 29,876.95

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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.