Home / 53,738.84-74,153.70-31,074.41

Finding the Fourth Proportional to 53,738.84, 74,153.70 and 31,074.41

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Solution

The fourth proportional to 53,738.84, 74,153.70 and 31,074.41 is: 42,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.84 : 74,153.70 = 31,074.41 : x
  2. Step 2: Convert to fraction form
    53,738.84/74,153.70 = 31,074.41/x
  3. Step 3: Cross multiply
    53,738.84x = 74,153.70 × 31,074.41
  4. Step 4: Simplify right side
    53,738.84x = 2,304,282,476.82
  5. Step 5: Solve for x
    x = 2,304,282,476.82/53,738.84
  6. Step 6: Final answer
    x = 42,879.27

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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.