Home / 53,920.62-74,409.44-29,391.65

Finding the Fourth Proportional to 53,920.62, 74,409.44 and 29,391.65

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Solution

The fourth proportional to 53,920.62, 74,409.44 and 29,391.65 is: 40,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,920.62 : 74,409.44 = 29,391.65 : x
  2. Step 2: Convert to fraction form
    53,920.62/74,409.44 = 29,391.65/x
  3. Step 3: Cross multiply
    53,920.62x = 74,409.44 × 29,391.65
  4. Step 4: Simplify right side
    53,920.62x = 2,187,015,698.17
  5. Step 5: Solve for x
    x = 2,187,015,698.17/53,920.62
  6. Step 6: Final answer
    x = 40,559.91

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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.