Home / 39,610.37-59,428.79-12,957.58

Finding the Fourth Proportional to 39,610.37, 59,428.79 and 12,957.58

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Solution

The fourth proportional to 39,610.37, 59,428.79 and 12,957.58 is: 19,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,610.37 : 59,428.79 = 12,957.58 : x
  2. Step 2: Convert to fraction form
    39,610.37/59,428.79 = 12,957.58/x
  3. Step 3: Cross multiply
    39,610.37x = 59,428.79 × 12,957.58
  4. Step 4: Simplify right side
    39,610.37x = 770,053,003.58
  5. Step 5: Solve for x
    x = 770,053,003.58/39,610.37
  6. Step 6: Final answer
    x = 19,440.69

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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.