Home / 54,631.46-75,392.88-30,759.04

Finding the Fourth Proportional to 54,631.46, 75,392.88 and 30,759.04

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Solution

The fourth proportional to 54,631.46, 75,392.88 and 30,759.04 is: 42,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,631.46 : 75,392.88 = 30,759.04 : x
  2. Step 2: Convert to fraction form
    54,631.46/75,392.88 = 30,759.04/x
  3. Step 3: Cross multiply
    54,631.46x = 75,392.88 × 30,759.04
  4. Step 4: Simplify right side
    54,631.46x = 2,319,012,611.64
  5. Step 5: Solve for x
    x = 2,319,012,611.64/54,631.46
  6. Step 6: Final answer
    x = 42,448.30

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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.