Home / 34,409.72-47,487.48-20,271.98

Finding the Fourth Proportional to 34,409.72, 47,487.48 and 20,271.98

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Solution

The fourth proportional to 34,409.72, 47,487.48 and 20,271.98 is: 27,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,409.72 : 47,487.48 = 20,271.98 : x
  2. Step 2: Convert to fraction form
    34,409.72/47,487.48 = 20,271.98/x
  3. Step 3: Cross multiply
    34,409.72x = 47,487.48 × 20,271.98
  4. Step 4: Simplify right side
    34,409.72x = 962,665,244.81
  5. Step 5: Solve for x
    x = 962,665,244.81/34,409.72
  6. Step 6: Final answer
    x = 27,976.55

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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.