Home / 54,970.66-75,858.06-30,440.62

Finding the Fourth Proportional to 54,970.66, 75,858.06 and 30,440.62

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Solution

The fourth proportional to 54,970.66, 75,858.06 and 30,440.62 is: 42,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,970.66 : 75,858.06 = 30,440.62 : x
  2. Step 2: Convert to fraction form
    54,970.66/75,858.06 = 30,440.62/x
  3. Step 3: Cross multiply
    54,970.66x = 75,858.06 × 30,440.62
  4. Step 4: Simplify right side
    54,970.66x = 2,309,166,378.40
  5. Step 5: Solve for x
    x = 2,309,166,378.40/54,970.66
  6. Step 6: Final answer
    x = 42,007.25

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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.