Home / 54,783.62-75,601.70-30,585.68

Finding the Fourth Proportional to 54,783.62, 75,601.70 and 30,585.68

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Solution

The fourth proportional to 54,783.62, 75,601.70 and 30,585.68 is: 42,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,783.62 : 75,601.70 = 30,585.68 : x
  2. Step 2: Convert to fraction form
    54,783.62/75,601.70 = 30,585.68/x
  3. Step 3: Cross multiply
    54,783.62x = 75,601.70 × 30,585.68
  4. Step 4: Simplify right side
    54,783.62x = 2,312,329,403.66
  5. Step 5: Solve for x
    x = 2,312,329,403.66/54,783.62
  6. Step 6: Final answer
    x = 42,208.41

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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.