Home / 51,360.30-77,038.83-30,443.67

Finding the Fourth Proportional to 51,360.30, 77,038.83 and 30,443.67

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Solution

The fourth proportional to 51,360.30, 77,038.83 and 30,443.67 is: 45,664.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,360.30 : 77,038.83 = 30,443.67 : x
  2. Step 2: Convert to fraction form
    51,360.30/77,038.83 = 30,443.67/x
  3. Step 3: Cross multiply
    51,360.30x = 77,038.83 × 30,443.67
  4. Step 4: Simplify right side
    51,360.30x = 2,345,344,717.71
  5. Step 5: Solve for x
    x = 2,345,344,717.71/51,360.30
  6. Step 6: Final answer
    x = 45,664.54

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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.