Home / 51,477.24-71,039.80-28,815.67

Finding the Fourth Proportional to 51,477.24, 71,039.80 and 28,815.67

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Solution

The fourth proportional to 51,477.24, 71,039.80 and 28,815.67 is: 39,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,477.24 : 71,039.80 = 28,815.67 : x
  2. Step 2: Convert to fraction form
    51,477.24/71,039.80 = 28,815.67/x
  3. Step 3: Cross multiply
    51,477.24x = 71,039.80 × 28,815.67
  4. Step 4: Simplify right side
    51,477.24x = 2,047,059,433.67
  5. Step 5: Solve for x
    x = 2,047,059,433.67/51,477.24
  6. Step 6: Final answer
    x = 39,766.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.