Home / 34,387.14-51,573.69-20,147.07

Finding the Fourth Proportional to 34,387.14, 51,573.69 and 20,147.07

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Solution

The fourth proportional to 34,387.14, 51,573.69 and 20,147.07 is: 30,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,387.14 : 51,573.69 = 20,147.07 : x
  2. Step 2: Convert to fraction form
    34,387.14/51,573.69 = 20,147.07/x
  3. Step 3: Cross multiply
    34,387.14x = 51,573.69 × 20,147.07
  4. Step 4: Simplify right side
    34,387.14x = 1,039,058,742.59
  5. Step 5: Solve for x
    x = 1,039,058,742.59/34,387.14
  6. Step 6: Final answer
    x = 30,216.49

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1.5x scale

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.