Home / 54,339.57-74,988.40-30,466.23

Finding the Fourth Proportional to 54,339.57, 74,988.40 and 30,466.23

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Solution

The fourth proportional to 54,339.57, 74,988.40 and 30,466.23 is: 42,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,339.57 : 74,988.40 = 30,466.23 : x
  2. Step 2: Convert to fraction form
    54,339.57/74,988.40 = 30,466.23/x
  3. Step 3: Cross multiply
    54,339.57x = 74,988.40 × 30,466.23
  4. Step 4: Simplify right side
    54,339.57x = 2,284,613,841.73
  5. Step 5: Solve for x
    x = 2,284,613,841.73/54,339.57
  6. Step 6: Final answer
    x = 42,043.28

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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.