Home / 34,319.70-47,361.51-19,980.27

Finding the Fourth Proportional to 34,319.70, 47,361.51 and 19,980.27

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Solution

The fourth proportional to 34,319.70, 47,361.51 and 19,980.27 is: 27,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,319.70 : 47,361.51 = 19,980.27 : x
  2. Step 2: Convert to fraction form
    34,319.70/47,361.51 = 19,980.27/x
  3. Step 3: Cross multiply
    34,319.70x = 47,361.51 × 19,980.27
  4. Step 4: Simplify right side
    34,319.70x = 946,295,757.41
  5. Step 5: Solve for x
    x = 946,295,757.41/34,319.70
  6. Step 6: Final answer
    x = 27,572.96

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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.