Home / 39,971.66-59,960.09-13,316.51

Finding the Fourth Proportional to 39,971.66, 59,960.09 and 13,316.51

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Solution

The fourth proportional to 39,971.66, 59,960.09 and 13,316.51 is: 19,975.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.66 : 59,960.09 = 13,316.51 : x
  2. Step 2: Convert to fraction form
    39,971.66/59,960.09 = 13,316.51/x
  3. Step 3: Cross multiply
    39,971.66x = 59,960.09 × 13,316.51
  4. Step 4: Simplify right side
    39,971.66x = 798,459,071.50
  5. Step 5: Solve for x
    x = 798,459,071.50/39,971.66
  6. Step 6: Final answer
    x = 19,975.63

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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.