Home / 39,610.00-59,428.23-12,957.20

Finding the Fourth Proportional to 39,610.00, 59,428.23 and 12,957.20

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Solution

The fourth proportional to 39,610.00, 59,428.23 and 12,957.20 is: 19,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,610.00 : 59,428.23 = 12,957.20 : x
  2. Step 2: Convert to fraction form
    39,610.00/59,428.23 = 12,957.20/x
  3. Step 3: Cross multiply
    39,610.00x = 59,428.23 × 12,957.20
  4. Step 4: Simplify right side
    39,610.00x = 770,023,132.22
  5. Step 5: Solve for x
    x = 770,023,132.22/39,610.00
  6. Step 6: Final answer
    x = 19,440.12

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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.