Home / 39,231.74-58,859.90-12,954.93

Finding the Fourth Proportional to 39,231.74, 58,859.90 and 12,954.93

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Solution

The fourth proportional to 39,231.74, 58,859.90 and 12,954.93 is: 19,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.74 : 58,859.90 = 12,954.93 : x
  2. Step 2: Convert to fraction form
    39,231.74/58,859.90 = 12,954.93/x
  3. Step 3: Cross multiply
    39,231.74x = 58,859.90 × 12,954.93
  4. Step 4: Simplify right side
    39,231.74x = 762,525,884.31
  5. Step 5: Solve for x
    x = 762,525,884.31/39,231.74
  6. Step 6: Final answer
    x = 19,436.45

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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.