Home / 54,590.19-75,334.32-30,716.89

Finding the Fourth Proportional to 54,590.19, 75,334.32 and 30,716.89

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Solution

The fourth proportional to 54,590.19, 75,334.32 and 30,716.89 is: 42,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,590.19 : 75,334.32 = 30,716.89 : x
  2. Step 2: Convert to fraction form
    54,590.19/75,334.32 = 30,716.89/x
  3. Step 3: Cross multiply
    54,590.19x = 75,334.32 × 30,716.89
  4. Step 4: Simplify right side
    54,590.19x = 2,314,036,020.66
  5. Step 5: Solve for x
    x = 2,314,036,020.66/54,590.19
  6. Step 6: Final answer
    x = 42,389.23

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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.