Home / 39,007.70-58,511.55-38,618.90

Finding the Fourth Proportional to 39,007.70, 58,511.55 and 38,618.90

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Solution

The fourth proportional to 39,007.70, 58,511.55 and 38,618.90 is: 57,928.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,007.70 : 58,511.55 = 38,618.90 : x
  2. Step 2: Convert to fraction form
    39,007.70/58,511.55 = 38,618.90/x
  3. Step 3: Cross multiply
    39,007.70x = 58,511.55 × 38,618.90
  4. Step 4: Simplify right side
    39,007.70x = 2,259,651,698.30
  5. Step 5: Solve for x
    x = 2,259,651,698.30/39,007.70
  6. Step 6: Final answer
    x = 57,928.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.