Home / 45,348.40-68,011.26-19,072

Finding the Fourth Proportional to 45,348.40, 68,011.26 and 19,072

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Solution

The fourth proportional to 45,348.40, 68,011.26 and 19,072 is: 28,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,348.40 : 68,011.26 = 19,072 : x
  2. Step 2: Convert to fraction form
    45,348.40/68,011.26 = 19,072/x
  3. Step 3: Cross multiply
    45,348.40x = 68,011.26 × 19,072
  4. Step 4: Simplify right side
    45,348.40x = 1,297,110,750.72
  5. Step 5: Solve for x
    x = 1,297,110,750.72/45,348.40
  6. Step 6: Final answer
    x = 28,603.23

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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.