Home / 54,784.38-75,601.50-30,584.08

Finding the Fourth Proportional to 54,784.38, 75,601.50 and 30,584.08

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Solution

The fourth proportional to 54,784.38, 75,601.50 and 30,584.08 is: 42,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,784.38 : 75,601.50 = 30,584.08 : x
  2. Step 2: Convert to fraction form
    54,784.38/75,601.50 = 30,584.08/x
  3. Step 3: Cross multiply
    54,784.38x = 75,601.50 × 30,584.08
  4. Step 4: Simplify right side
    54,784.38x = 2,312,201,946.11
  5. Step 5: Solve for x
    x = 2,312,201,946.11/54,784.38
  6. Step 6: Final answer
    x = 42,205.50

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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.