Home / 34,172.66-47,147.19-21,437.03

Finding the Fourth Proportional to 34,172.66, 47,147.19 and 21,437.03

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Solution

The fourth proportional to 34,172.66, 47,147.19 and 21,437.03 is: 29,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,172.66 : 47,147.19 = 21,437.03 : x
  2. Step 2: Convert to fraction form
    34,172.66/47,147.19 = 21,437.03/x
  3. Step 3: Cross multiply
    34,172.66x = 47,147.19 × 21,437.03
  4. Step 4: Simplify right side
    34,172.66x = 1,010,695,726.45
  5. Step 5: Solve for x
    x = 1,010,695,726.45/34,172.66
  6. Step 6: Final answer
    x = 29,576.15

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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.