Home / 39,571.30-59,339.58-11,862.82

Finding the Fourth Proportional to 39,571.30, 59,339.58 and 11,862.82

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Solution

The fourth proportional to 39,571.30, 59,339.58 and 11,862.82 is: 17,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,571.30 : 59,339.58 = 11,862.82 : x
  2. Step 2: Convert to fraction form
    39,571.30/59,339.58 = 11,862.82/x
  3. Step 3: Cross multiply
    39,571.30x = 59,339.58 × 11,862.82
  4. Step 4: Simplify right side
    39,571.30x = 703,934,756.42
  5. Step 5: Solve for x
    x = 703,934,756.42/39,571.30
  6. Step 6: Final answer
    x = 17,789.02

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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.