Home / 54,759.56-75,570.83-30,885.69

Finding the Fourth Proportional to 54,759.56, 75,570.83 and 30,885.69

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Solution

The fourth proportional to 54,759.56, 75,570.83 and 30,885.69 is: 42,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759.56 : 75,570.83 = 30,885.69 : x
  2. Step 2: Convert to fraction form
    54,759.56/75,570.83 = 30,885.69/x
  3. Step 3: Cross multiply
    54,759.56x = 75,570.83 × 30,885.69
  4. Step 4: Simplify right side
    54,759.56x = 2,334,057,305.64
  5. Step 5: Solve for x
    x = 2,334,057,305.64/54,759.56
  6. Step 6: Final answer
    x = 42,623.74

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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.