Home / 53,868.31-74,336.74-29,338.56

Finding the Fourth Proportional to 53,868.31, 74,336.74 and 29,338.56

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Solution

The fourth proportional to 53,868.31, 74,336.74 and 29,338.56 is: 40,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,868.31 : 74,336.74 = 29,338.56 : x
  2. Step 2: Convert to fraction form
    53,868.31/74,336.74 = 29,338.56/x
  3. Step 3: Cross multiply
    53,868.31x = 74,336.74 × 29,338.56
  4. Step 4: Simplify right side
    53,868.31x = 2,180,932,915.86
  5. Step 5: Solve for x
    x = 2,180,932,915.86/53,868.31
  6. Step 6: Final answer
    x = 40,486.38

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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.