Home / 40,386.64-60,589.54-12,684.64

Finding the Fourth Proportional to 40,386.64, 60,589.54 and 12,684.64

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Solution

The fourth proportional to 40,386.64, 60,589.54 and 12,684.64 is: 19,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386.64 : 60,589.54 = 12,684.64 : x
  2. Step 2: Convert to fraction form
    40,386.64/60,589.54 = 12,684.64/x
  3. Step 3: Cross multiply
    40,386.64x = 60,589.54 × 12,684.64
  4. Step 4: Simplify right side
    40,386.64x = 768,556,502.67
  5. Step 5: Solve for x
    x = 768,556,502.67/40,386.64
  6. Step 6: Final answer
    x = 19,029.97

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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.