Home / 34,260.22-47,293.67-20,835.78

Finding the Fourth Proportional to 34,260.22, 47,293.67 and 20,835.78

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Solution

The fourth proportional to 34,260.22, 47,293.67 and 20,835.78 is: 28,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,260.22 : 47,293.67 = 20,835.78 : x
  2. Step 2: Convert to fraction form
    34,260.22/47,293.67 = 20,835.78/x
  3. Step 3: Cross multiply
    34,260.22x = 47,293.67 × 20,835.78
  4. Step 4: Simplify right side
    34,260.22x = 985,400,644.28
  5. Step 5: Solve for x
    x = 985,400,644.28/34,260.22
  6. Step 6: Final answer
    x = 28,762.24

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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.