Home / 30,775.09-42,469.61-16,627.93

Finding the Fourth Proportional to 30,775.09, 42,469.61 and 16,627.93

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Solution

The fourth proportional to 30,775.09, 42,469.61 and 16,627.93 is: 22,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,775.09 : 42,469.61 = 16,627.93 : x
  2. Step 2: Convert to fraction form
    30,775.09/42,469.61 = 16,627.93/x
  3. Step 3: Cross multiply
    30,775.09x = 42,469.61 × 16,627.93
  4. Step 4: Simplify right side
    30,775.09x = 706,181,406.72
  5. Step 5: Solve for x
    x = 706,181,406.72/30,775.09
  6. Step 6: Final answer
    x = 22,946.53

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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.