Home / 71,628.02-98,858.85-41,431.70

Finding the Fourth Proportional to 71,628.02, 98,858.85 and 41,431.70

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Solution

The fourth proportional to 71,628.02, 98,858.85 and 41,431.70 is: 57,182.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,628.02 : 98,858.85 = 41,431.70 : x
  2. Step 2: Convert to fraction form
    71,628.02/98,858.85 = 41,431.70/x
  3. Step 3: Cross multiply
    71,628.02x = 98,858.85 × 41,431.70
  4. Step 4: Simplify right side
    71,628.02x = 4,095,890,215.55
  5. Step 5: Solve for x
    x = 4,095,890,215.55/71,628.02
  6. Step 6: Final answer
    x = 57,182.79

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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.