Home / 40,386.26-60,579.42-12,684.26

Finding the Fourth Proportional to 40,386.26, 60,579.42 and 12,684.26

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Solution

The fourth proportional to 40,386.26, 60,579.42 and 12,684.26 is: 19,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386.26 : 60,579.42 = 12,684.26 : x
  2. Step 2: Convert to fraction form
    40,386.26/60,579.42 = 12,684.26/x
  3. Step 3: Cross multiply
    40,386.26x = 60,579.42 × 12,684.26
  4. Step 4: Simplify right side
    40,386.26x = 768,405,113.93
  5. Step 5: Solve for x
    x = 768,405,113.93/40,386.26
  6. Step 6: Final answer
    x = 19,026.40

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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.