Home / 30,651.50-45,709.02-30,371.24

Finding the Fourth Proportional to 30,651.50, 45,709.02 and 30,371.24

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Solution

The fourth proportional to 30,651.50, 45,709.02 and 30,371.24 is: 45,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651.50 : 45,709.02 = 30,371.24 : x
  2. Step 2: Convert to fraction form
    30,651.50/45,709.02 = 30,371.24/x
  3. Step 3: Cross multiply
    30,651.50x = 45,709.02 × 30,371.24
  4. Step 4: Simplify right side
    30,651.50x = 1,388,239,388.04
  5. Step 5: Solve for x
    x = 1,388,239,388.04/30,651.50
  6. Step 6: Final answer
    x = 45,291.08

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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.