Home / 54,598.70-75,346.05-30,725.38

Finding the Fourth Proportional to 54,598.70, 75,346.05 and 30,725.38

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Solution

The fourth proportional to 54,598.70, 75,346.05 and 30,725.38 is: 42,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,598.70 : 75,346.05 = 30,725.38 : x
  2. Step 2: Convert to fraction form
    54,598.70/75,346.05 = 30,725.38/x
  3. Step 3: Cross multiply
    54,598.70x = 75,346.05 × 30,725.38
  4. Step 4: Simplify right side
    54,598.70x = 2,315,036,017.75
  5. Step 5: Solve for x
    x = 2,315,036,017.75/54,598.70
  6. Step 6: Final answer
    x = 42,400.94

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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.