Home / 39,971.16-59,959.34-13,316.01

Finding the Fourth Proportional to 39,971.16, 59,959.34 and 13,316.01

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Solution

The fourth proportional to 39,971.16, 59,959.34 and 13,316.01 is: 19,974.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.16 : 59,959.34 = 13,316.01 : x
  2. Step 2: Convert to fraction form
    39,971.16/59,959.34 = 13,316.01/x
  3. Step 3: Cross multiply
    39,971.16x = 59,959.34 × 13,316.01
  4. Step 4: Simplify right side
    39,971.16x = 798,419,104.45
  5. Step 5: Solve for x
    x = 798,419,104.45/39,971.16
  6. Step 6: Final answer
    x = 19,974.88

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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.