Home / 45,134.04-67,709.52-20,175.08

Finding the Fourth Proportional to 45,134.04, 67,709.52 and 20,175.08

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Solution

The fourth proportional to 45,134.04, 67,709.52 and 20,175.08 is: 30,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,134.04 : 67,709.52 = 20,175.08 : x
  2. Step 2: Convert to fraction form
    45,134.04/67,709.52 = 20,175.08/x
  3. Step 3: Cross multiply
    45,134.04x = 67,709.52 × 20,175.08
  4. Step 4: Simplify right side
    45,134.04x = 1,366,044,644.21
  5. Step 5: Solve for x
    x = 1,366,044,644.21/45,134.04
  6. Step 6: Final answer
    x = 30,266.39

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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.