Home / 39,376.17-59,071.86-12,729.33

Finding the Fourth Proportional to 39,376.17, 59,071.86 and 12,729.33

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Solution

The fourth proportional to 39,376.17, 59,071.86 and 12,729.33 is: 19,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,376.17 : 59,071.86 = 12,729.33 : x
  2. Step 2: Convert to fraction form
    39,376.17/59,071.86 = 12,729.33/x
  3. Step 3: Cross multiply
    39,376.17x = 59,071.86 × 12,729.33
  4. Step 4: Simplify right side
    39,376.17x = 751,945,199.65
  5. Step 5: Solve for x
    x = 751,945,199.65/39,376.17
  6. Step 6: Final answer
    x = 19,096.45

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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.