Home / 71,273.02-98,356.20-39,443.67

Finding the Fourth Proportional to 71,273.02, 98,356.20 and 39,443.67

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Solution

The fourth proportional to 71,273.02, 98,356.20 and 39,443.67 is: 54,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,273.02 : 98,356.20 = 39,443.67 : x
  2. Step 2: Convert to fraction form
    71,273.02/98,356.20 = 39,443.67/x
  3. Step 3: Cross multiply
    71,273.02x = 98,356.20 × 39,443.67
  4. Step 4: Simplify right side
    71,273.02x = 3,879,529,495.25
  5. Step 5: Solve for x
    x = 3,879,529,495.25/71,273.02
  6. Step 6: Final answer
    x = 54,431.95

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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.