Home / 39,561.40-59,351.10-11,858.68

Finding the Fourth Proportional to 39,561.40, 59,351.10 and 11,858.68

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Solution

The fourth proportional to 39,561.40, 59,351.10 and 11,858.68 is: 17,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,561.40 : 59,351.10 = 11,858.68 : x
  2. Step 2: Convert to fraction form
    39,561.40/59,351.10 = 11,858.68/x
  3. Step 3: Cross multiply
    39,561.40x = 59,351.10 × 11,858.68
  4. Step 4: Simplify right side
    39,561.40x = 703,825,702.55
  5. Step 5: Solve for x
    x = 703,825,702.55/39,561.40
  6. Step 6: Final answer
    x = 17,790.72

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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.