Home / 51,706.20-77,541.84-19,677.67

Finding the Fourth Proportional to 51,706.20, 77,541.84 and 19,677.67

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Solution

The fourth proportional to 51,706.20, 77,541.84 and 19,677.67 is: 29,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,706.20 : 77,541.84 = 19,677.67 : x
  2. Step 2: Convert to fraction form
    51,706.20/77,541.84 = 19,677.67/x
  3. Step 3: Cross multiply
    51,706.20x = 77,541.84 × 19,677.67
  4. Step 4: Simplify right side
    51,706.20x = 1,525,842,544.86
  5. Step 5: Solve for x
    x = 1,525,842,544.86/51,706.20
  6. Step 6: Final answer
    x = 29,509.86

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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.