Home / 39,982.41-59,937.98-20,250.81

Finding the Fourth Proportional to 39,982.41, 59,937.98 and 20,250.81

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Solution

The fourth proportional to 39,982.41, 59,937.98 and 20,250.81 is: 30,358.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.41 : 59,937.98 = 20,250.81 : x
  2. Step 2: Convert to fraction form
    39,982.41/59,937.98 = 20,250.81/x
  3. Step 3: Cross multiply
    39,982.41x = 59,937.98 × 20,250.81
  4. Step 4: Simplify right side
    39,982.41x = 1,213,792,543.51
  5. Step 5: Solve for x
    x = 1,213,792,543.51/39,982.41
  6. Step 6: Final answer
    x = 30,358.16

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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.