Home / 40,448.03-60,683.88-11,985.74

Finding the Fourth Proportional to 40,448.03, 60,683.88 and 11,985.74

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Solution

The fourth proportional to 40,448.03, 60,683.88 and 11,985.74 is: 17,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,448.03 : 60,683.88 = 11,985.74 : x
  2. Step 2: Convert to fraction form
    40,448.03/60,683.88 = 11,985.74/x
  3. Step 3: Cross multiply
    40,448.03x = 60,683.88 × 11,985.74
  4. Step 4: Simplify right side
    40,448.03x = 727,341,176.96
  5. Step 5: Solve for x
    x = 727,341,176.96/40,448.03
  6. Step 6: Final answer
    x = 17,982.12

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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.