Home / 40,467.78-60,709.86-14,191.02

Finding the Fourth Proportional to 40,467.78, 60,709.86 and 14,191.02

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Solution

The fourth proportional to 40,467.78, 60,709.86 and 14,191.02 is: 21,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,467.78 : 60,709.86 = 14,191.02 : x
  2. Step 2: Convert to fraction form
    40,467.78/60,709.86 = 14,191.02/x
  3. Step 3: Cross multiply
    40,467.78x = 60,709.86 × 14,191.02
  4. Step 4: Simplify right side
    40,467.78x = 861,534,837.46
  5. Step 5: Solve for x
    x = 861,534,837.46/40,467.78
  6. Step 6: Final answer
    x = 21,289.40

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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.