Home / 30,651.63-45,709.21-30,371.36

Finding the Fourth Proportional to 30,651.63, 45,709.21 and 30,371.36

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Solution

The fourth proportional to 30,651.63, 45,709.21 and 30,371.36 is: 45,291.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651.63 : 45,709.21 = 30,371.36 : x
  2. Step 2: Convert to fraction form
    30,651.63/45,709.21 = 30,371.36/x
  3. Step 3: Cross multiply
    30,651.63x = 45,709.21 × 30,371.36
  4. Step 4: Simplify right side
    30,651.63x = 1,388,250,872.23
  5. Step 5: Solve for x
    x = 1,388,250,872.23/30,651.63
  6. Step 6: Final answer
    x = 45,291.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.