Home / 30,851.76-42,575.55-16,704.57

Finding the Fourth Proportional to 30,851.76, 42,575.55 and 16,704.57

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Solution

The fourth proportional to 30,851.76, 42,575.55 and 16,704.57 is: 23,052.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,851.76 : 42,575.55 = 16,704.57 : x
  2. Step 2: Convert to fraction form
    30,851.76/42,575.55 = 16,704.57/x
  3. Step 3: Cross multiply
    30,851.76x = 42,575.55 × 16,704.57
  4. Step 4: Simplify right side
    30,851.76x = 711,206,255.26
  5. Step 5: Solve for x
    x = 711,206,255.26/30,851.76
  6. Step 6: Final answer
    x = 23,052.37

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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.