Home / 51,458.90-71,014.55-28,797.70

Finding the Fourth Proportional to 51,458.90, 71,014.55 and 28,797.70

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Solution

The fourth proportional to 51,458.90, 71,014.55 and 28,797.70 is: 39,741.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,458.90 : 71,014.55 = 28,797.70 : x
  2. Step 2: Convert to fraction form
    51,458.90/71,014.55 = 28,797.70/x
  3. Step 3: Cross multiply
    51,458.90x = 71,014.55 × 28,797.70
  4. Step 4: Simplify right side
    51,458.90x = 2,045,055,798.88
  5. Step 5: Solve for x
    x = 2,045,055,798.88/51,458.90
  6. Step 6: Final answer
    x = 39,741.54

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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.