Home / 34,427.29-47,511.75-19,321.21

Finding the Fourth Proportional to 34,427.29, 47,511.75 and 19,321.21

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Solution

The fourth proportional to 34,427.29, 47,511.75 and 19,321.21 is: 26,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,427.29 : 47,511.75 = 19,321.21 : x
  2. Step 2: Convert to fraction form
    34,427.29/47,511.75 = 19,321.21/x
  3. Step 3: Cross multiply
    34,427.29x = 47,511.75 × 19,321.21
  4. Step 4: Simplify right side
    34,427.29x = 917,984,499.22
  5. Step 5: Solve for x
    x = 917,984,499.22/34,427.29
  6. Step 6: Final answer
    x = 26,664.44

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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.