Home / 30,636.02-45,956.87-11,917.48

Finding the Fourth Proportional to 30,636.02, 45,956.87 and 11,917.48

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Solution

The fourth proportional to 30,636.02, 45,956.87 and 11,917.48 is: 17,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,636.02 : 45,956.87 = 11,917.48 : x
  2. Step 2: Convert to fraction form
    30,636.02/45,956.87 = 11,917.48/x
  3. Step 3: Cross multiply
    30,636.02x = 45,956.87 × 11,917.48
  4. Step 4: Simplify right side
    30,636.02x = 547,690,019.50
  5. Step 5: Solve for x
    x = 547,690,019.50/30,636.02
  6. Step 6: Final answer
    x = 17,877.33

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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.