Home / 51,826.90-77,702.94-20,210.17

Finding the Fourth Proportional to 51,826.90, 77,702.94 and 20,210.17

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Solution

The fourth proportional to 51,826.90, 77,702.94 and 20,210.17 is: 30,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,826.90 : 77,702.94 = 20,210.17 : x
  2. Step 2: Convert to fraction form
    51,826.90/77,702.94 = 20,210.17/x
  3. Step 3: Cross multiply
    51,826.90x = 77,702.94 × 20,210.17
  4. Step 4: Simplify right side
    51,826.90x = 1,570,389,626.90
  5. Step 5: Solve for x
    x = 1,570,389,626.90/51,826.90
  6. Step 6: Final answer
    x = 30,300.67

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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.