Home / 34,182.89-47,186.77-20,758.47

Finding the Fourth Proportional to 34,182.89, 47,186.77 and 20,758.47

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Solution

The fourth proportional to 34,182.89, 47,186.77 and 20,758.47 is: 28,655.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,182.89 : 47,186.77 = 20,758.47 : x
  2. Step 2: Convert to fraction form
    34,182.89/47,186.77 = 20,758.47/x
  3. Step 3: Cross multiply
    34,182.89x = 47,186.77 × 20,758.47
  4. Step 4: Simplify right side
    34,182.89x = 979,525,149.44
  5. Step 5: Solve for x
    x = 979,525,149.44/34,182.89
  6. Step 6: Final answer
    x = 28,655.42

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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.