Home / 45,622.19-68,433.28-28,055.11

Finding the Fourth Proportional to 45,622.19, 68,433.28 and 28,055.11

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Solution

The fourth proportional to 45,622.19, 68,433.28 and 28,055.11 is: 42,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,622.19 : 68,433.28 = 28,055.11 : x
  2. Step 2: Convert to fraction form
    45,622.19/68,433.28 = 28,055.11/x
  3. Step 3: Cross multiply
    45,622.19x = 68,433.28 × 28,055.11
  4. Step 4: Simplify right side
    45,622.19x = 1,919,903,164.06
  5. Step 5: Solve for x
    x = 1,919,903,164.06/45,622.19
  6. Step 6: Final answer
    x = 42,082.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.