Home / 45,408.13-68,123.13-14,243.38

Finding the Fourth Proportional to 45,408.13, 68,123.13 and 14,243.38

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Solution

The fourth proportional to 45,408.13, 68,123.13 and 14,243.38 is: 21,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,408.13 : 68,123.13 = 14,243.38 : x
  2. Step 2: Convert to fraction form
    45,408.13/68,123.13 = 14,243.38/x
  3. Step 3: Cross multiply
    45,408.13x = 68,123.13 × 14,243.38
  4. Step 4: Simplify right side
    45,408.13x = 970,303,457.07
  5. Step 5: Solve for x
    x = 970,303,457.07/45,408.13
  6. Step 6: Final answer
    x = 21,368.50

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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.