Home / 39,611.37-59,430.29-12,958.58

Finding the Fourth Proportional to 39,611.37, 59,430.29 and 12,958.58

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Solution

The fourth proportional to 39,611.37, 59,430.29 and 12,958.58 is: 19,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.37 : 59,430.29 = 12,958.58 : x
  2. Step 2: Convert to fraction form
    39,611.37/59,430.29 = 12,958.58/x
  3. Step 3: Cross multiply
    39,611.37x = 59,430.29 × 12,958.58
  4. Step 4: Simplify right side
    39,611.37x = 770,132,167.39
  5. Step 5: Solve for x
    x = 770,132,167.39/39,611.37
  6. Step 6: Final answer
    x = 19,442.20

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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.