Home / 65,356.22-98,028.84-20,970.92

Finding the Fourth Proportional to 65,356.22, 98,028.84 and 20,970.92

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Solution

The fourth proportional to 65,356.22, 98,028.84 and 20,970.92 is: 31,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,356.22 : 98,028.84 = 20,970.92 : x
  2. Step 2: Convert to fraction form
    65,356.22/98,028.84 = 20,970.92/x
  3. Step 3: Cross multiply
    65,356.22x = 98,028.84 × 20,970.92
  4. Step 4: Simplify right side
    65,356.22x = 2,055,754,961.33
  5. Step 5: Solve for x
    x = 2,055,754,961.33/65,356.22
  6. Step 6: Final answer
    x = 31,454.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.