Home / 53,792.75-74,234-31,436.75

Finding the Fourth Proportional to 53,792.75, 74,234 and 31,436.75

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Solution

The fourth proportional to 53,792.75, 74,234 and 31,436.75 is: 43,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,792.75 : 74,234 = 31,436.75 : x
  2. Step 2: Convert to fraction form
    53,792.75/74,234 = 31,436.75/x
  3. Step 3: Cross multiply
    53,792.75x = 74,234 × 31,436.75
  4. Step 4: Simplify right side
    53,792.75x = 2,333,675,699.50
  5. Step 5: Solve for x
    x = 2,333,675,699.50/53,792.75
  6. Step 6: Final answer
    x = 43,382.72

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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.