Home / 51,485.10-71,060.67-30,276.60

Finding the Fourth Proportional to 51,485.10, 71,060.67 and 30,276.60

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Solution

The fourth proportional to 51,485.10, 71,060.67 and 30,276.60 is: 41,788.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,485.10 : 71,060.67 = 30,276.60 : x
  2. Step 2: Convert to fraction form
    51,485.10/71,060.67 = 30,276.60/x
  3. Step 3: Cross multiply
    51,485.10x = 71,060.67 × 30,276.60
  4. Step 4: Simplify right side
    51,485.10x = 2,151,475,481.32
  5. Step 5: Solve for x
    x = 2,151,475,481.32/51,485.10
  6. Step 6: Final answer
    x = 41,788.31

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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.