Home / 30,673.26-42,330.60-17,248.74

Finding the Fourth Proportional to 30,673.26, 42,330.60 and 17,248.74

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Solution

The fourth proportional to 30,673.26, 42,330.60 and 17,248.74 is: 23,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,673.26 : 42,330.60 = 17,248.74 : x
  2. Step 2: Convert to fraction form
    30,673.26/42,330.60 = 17,248.74/x
  3. Step 3: Cross multiply
    30,673.26x = 42,330.60 × 17,248.74
  4. Step 4: Simplify right side
    30,673.26x = 730,149,513.44
  5. Step 5: Solve for x
    x = 730,149,513.44/30,673.26
  6. Step 6: Final answer
    x = 23,804.11

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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.