Home / 51,812.63-77,718.93-18,530.67

Finding the Fourth Proportional to 51,812.63, 77,718.93 and 18,530.67

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Solution

The fourth proportional to 51,812.63, 77,718.93 and 18,530.67 is: 27,796.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,812.63 : 77,718.93 = 18,530.67 : x
  2. Step 2: Convert to fraction form
    51,812.63/77,718.93 = 18,530.67/x
  3. Step 3: Cross multiply
    51,812.63x = 77,718.93 × 18,530.67
  4. Step 4: Simplify right side
    51,812.63x = 1,440,183,844.58
  5. Step 5: Solve for x
    x = 1,440,183,844.58/51,812.63
  6. Step 6: Final answer
    x = 27,796.00

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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.