Home / 54,309.70-74,950.38-30,444.04

Finding the Fourth Proportional to 54,309.70, 74,950.38 and 30,444.04

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Solution

The fourth proportional to 54,309.70, 74,950.38 and 30,444.04 is: 42,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,309.70 : 74,950.38 = 30,444.04 : x
  2. Step 2: Convert to fraction form
    54,309.70/74,950.38 = 30,444.04/x
  3. Step 3: Cross multiply
    54,309.70x = 74,950.38 × 30,444.04
  4. Step 4: Simplify right side
    54,309.70x = 2,281,792,366.74
  5. Step 5: Solve for x
    x = 2,281,792,366.74/54,309.70
  6. Step 6: Final answer
    x = 42,014.45

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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.