Home / 74,428.46-111,646.32-30,049.67

Finding the Fourth Proportional to 74,428.46, 111,646.32 and 30,049.67

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Solution

The fourth proportional to 74,428.46, 111,646.32 and 30,049.67 is: 45,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,428.46 : 111,646.32 = 30,049.67 : x
  2. Step 2: Convert to fraction form
    74,428.46/111,646.32 = 30,049.67/x
  3. Step 3: Cross multiply
    74,428.46x = 111,646.32 × 30,049.67
  4. Step 4: Simplify right side
    74,428.46x = 3,354,935,072.71
  5. Step 5: Solve for x
    x = 3,354,935,072.71/74,428.46
  6. Step 6: Final answer
    x = 45,075.97

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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.