Home / 30,218.78-41,701.01-16,606.86

Finding the Fourth Proportional to 30,218.78, 41,701.01 and 16,606.86

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Solution

The fourth proportional to 30,218.78, 41,701.01 and 16,606.86 is: 22,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.78 : 41,701.01 = 16,606.86 : x
  2. Step 2: Convert to fraction form
    30,218.78/41,701.01 = 16,606.86/x
  3. Step 3: Cross multiply
    30,218.78x = 41,701.01 × 16,606.86
  4. Step 4: Simplify right side
    30,218.78x = 692,522,751.89
  5. Step 5: Solve for x
    x = 692,522,751.89/30,218.78
  6. Step 6: Final answer
    x = 22,916.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.