Home / 65,669.68-98,436.40-30,580.48

Finding the Fourth Proportional to 65,669.68, 98,436.40 and 30,580.48

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Solution

The fourth proportional to 65,669.68, 98,436.40 and 30,580.48 is: 45,839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,669.68 : 98,436.40 = 30,580.48 : x
  2. Step 2: Convert to fraction form
    65,669.68/98,436.40 = 30,580.48/x
  3. Step 3: Cross multiply
    65,669.68x = 98,436.40 × 30,580.48
  4. Step 4: Simplify right side
    65,669.68x = 3,010,232,361.47
  5. Step 5: Solve for x
    x = 3,010,232,361.47/65,669.68
  6. Step 6: Final answer
    x = 45,839.00

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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.