Home / 34,323.86-47,370.92-20,902.98

Finding the Fourth Proportional to 34,323.86, 47,370.92 and 20,902.98

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Solution

The fourth proportional to 34,323.86, 47,370.92 and 20,902.98 is: 28,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,323.86 : 47,370.92 = 20,902.98 : x
  2. Step 2: Convert to fraction form
    34,323.86/47,370.92 = 20,902.98/x
  3. Step 3: Cross multiply
    34,323.86x = 47,370.92 × 20,902.98
  4. Step 4: Simplify right side
    34,323.86x = 990,193,393.34
  5. Step 5: Solve for x
    x = 990,193,393.34/34,323.86
  6. Step 6: Final answer
    x = 28,848.54

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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.