Home / 45,408.03-68,122.98-14,243.28

Finding the Fourth Proportional to 45,408.03, 68,122.98 and 14,243.28

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Solution

The fourth proportional to 45,408.03, 68,122.98 and 14,243.28 is: 21,368.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,408.03 : 68,122.98 = 14,243.28 : x
  2. Step 2: Convert to fraction form
    45,408.03/68,122.98 = 14,243.28/x
  3. Step 3: Cross multiply
    45,408.03x = 68,122.98 × 14,243.28
  4. Step 4: Simplify right side
    45,408.03x = 970,294,437.05
  5. Step 5: Solve for x
    x = 970,294,437.05/45,408.03
  6. Step 6: Final answer
    x = 21,368.35

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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.