Home / 34,393.21-47,461.61-20,959.56

Finding the Fourth Proportional to 34,393.21, 47,461.61 and 20,959.56

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Solution

The fourth proportional to 34,393.21, 47,461.61 and 20,959.56 is: 28,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,393.21 : 47,461.61 = 20,959.56 : x
  2. Step 2: Convert to fraction form
    34,393.21/47,461.61 = 20,959.56/x
  3. Step 3: Cross multiply
    34,393.21x = 47,461.61 × 20,959.56
  4. Step 4: Simplify right side
    34,393.21x = 994,774,514.89
  5. Step 5: Solve for x
    x = 994,774,514.89/34,393.21
  6. Step 6: Final answer
    x = 28,923.57

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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.