Home / 54,308.04-74,946.78-30,429.24

Finding the Fourth Proportional to 54,308.04, 74,946.78 and 30,429.24

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Solution

The fourth proportional to 54,308.04, 74,946.78 and 30,429.24 is: 41,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,308.04 : 74,946.78 = 30,429.24 : x
  2. Step 2: Convert to fraction form
    54,308.04/74,946.78 = 30,429.24/x
  3. Step 3: Cross multiply
    54,308.04x = 74,946.78 × 30,429.24
  4. Step 4: Simplify right side
    54,308.04x = 2,280,573,555.85
  5. Step 5: Solve for x
    x = 2,280,573,555.85/54,308.04
  6. Step 6: Final answer
    x = 41,993.30

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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.