Home / 39,912.06-59,865.93-12,210.06

Finding the Fourth Proportional to 39,912.06, 59,865.93 and 12,210.06

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Solution

The fourth proportional to 39,912.06, 59,865.93 and 12,210.06 is: 18,314.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,912.06 : 59,865.93 = 12,210.06 : x
  2. Step 2: Convert to fraction form
    39,912.06/59,865.93 = 12,210.06/x
  3. Step 3: Cross multiply
    39,912.06x = 59,865.93 × 12,210.06
  4. Step 4: Simplify right side
    39,912.06x = 730,966,597.26
  5. Step 5: Solve for x
    x = 730,966,597.26/39,912.06
  6. Step 6: Final answer
    x = 18,314.43

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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.