Home / 54,630.16-75,392.32-30,759.48

Finding the Fourth Proportional to 54,630.16, 75,392.32 and 30,759.48

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Solution

The fourth proportional to 54,630.16, 75,392.32 and 30,759.48 is: 42,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,630.16 : 75,392.32 = 30,759.48 : x
  2. Step 2: Convert to fraction form
    54,630.16/75,392.32 = 30,759.48/x
  3. Step 3: Cross multiply
    54,630.16x = 75,392.32 × 30,759.48
  4. Step 4: Simplify right side
    54,630.16x = 2,319,028,559.19
  5. Step 5: Solve for x
    x = 2,319,028,559.19/54,630.16
  6. Step 6: Final answer
    x = 42,449.60

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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.