Home / 54,323.04-74,967.84-30,450.18

Finding the Fourth Proportional to 54,323.04, 74,967.84 and 30,450.18

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Solution

The fourth proportional to 54,323.04, 74,967.84 and 30,450.18 is: 42,022.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,323.04 : 74,967.84 = 30,450.18 : x
  2. Step 2: Convert to fraction form
    54,323.04/74,967.84 = 30,450.18/x
  3. Step 3: Cross multiply
    54,323.04x = 74,967.84 × 30,450.18
  4. Step 4: Simplify right side
    54,323.04x = 2,282,784,222.21
  5. Step 5: Solve for x
    x = 2,282,784,222.21/54,323.04
  6. Step 6: Final answer
    x = 42,022.39

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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.