Home / 51,466.19-71,023.23-28,805.09

Finding the Fourth Proportional to 51,466.19, 71,023.23 and 28,805.09

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Solution

The fourth proportional to 51,466.19, 71,023.23 and 28,805.09 is: 39,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,466.19 : 71,023.23 = 28,805.09 : x
  2. Step 2: Convert to fraction form
    51,466.19/71,023.23 = 28,805.09/x
  3. Step 3: Cross multiply
    51,466.19x = 71,023.23 × 28,805.09
  4. Step 4: Simplify right side
    51,466.19x = 2,045,830,177.12
  5. Step 5: Solve for x
    x = 2,045,830,177.12/51,466.19
  6. Step 6: Final answer
    x = 39,750.96

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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.