Home / 34,743.95-51,991.35-30,080

Finding the Fourth Proportional to 34,743.95, 51,991.35 and 30,080

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Solution

The fourth proportional to 34,743.95, 51,991.35 and 30,080 is: 45,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,743.95 : 51,991.35 = 30,080 : x
  2. Step 2: Convert to fraction form
    34,743.95/51,991.35 = 30,080/x
  3. Step 3: Cross multiply
    34,743.95x = 51,991.35 × 30,080
  4. Step 4: Simplify right side
    34,743.95x = 1,563,899,808
  5. Step 5: Solve for x
    x = 1,563,899,808/34,743.95
  6. Step 6: Final answer
    x = 45,012.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.