Home / 39,610.12-59,428.42-12,957.32

Finding the Fourth Proportional to 39,610.12, 59,428.42 and 12,957.32

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Solution

The fourth proportional to 39,610.12, 59,428.42 and 12,957.32 is: 19,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,610.12 : 59,428.42 = 12,957.32 : x
  2. Step 2: Convert to fraction form
    39,610.12/59,428.42 = 12,957.32/x
  3. Step 3: Cross multiply
    39,610.12x = 59,428.42 × 12,957.32
  4. Step 4: Simplify right side
    39,610.12x = 770,033,138.82
  5. Step 5: Solve for x
    x = 770,033,138.82/39,610.12
  6. Step 6: Final answer
    x = 19,440.31

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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.