Home / 39,611.58-59,425.57-13,315.64

Finding the Fourth Proportional to 39,611.58, 59,425.57 and 13,315.64

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Solution

The fourth proportional to 39,611.58, 59,425.57 and 13,315.64 is: 19,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.58 : 59,425.57 = 13,315.64 : x
  2. Step 2: Convert to fraction form
    39,611.58/59,425.57 = 13,315.64/x
  3. Step 3: Cross multiply
    39,611.58x = 59,425.57 × 13,315.64
  4. Step 4: Simplify right side
    39,611.58x = 791,289,588.15
  5. Step 5: Solve for x
    x = 791,289,588.15/39,611.58
  6. Step 6: Final answer
    x = 19,976.22

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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.