Home / 51,763.73-77,647.33-14,320.67

Finding the Fourth Proportional to 51,763.73, 77,647.33 and 14,320.67

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Solution

The fourth proportional to 51,763.73, 77,647.33 and 14,320.67 is: 21,481.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,763.73 : 77,647.33 = 14,320.67 : x
  2. Step 2: Convert to fraction form
    51,763.73/77,647.33 = 14,320.67/x
  3. Step 3: Cross multiply
    51,763.73x = 77,647.33 × 14,320.67
  4. Step 4: Simplify right side
    51,763.73x = 1,111,962,023.78
  5. Step 5: Solve for x
    x = 1,111,962,023.78/51,763.73
  6. Step 6: Final answer
    x = 21,481.49

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1.5x scale

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.