Home / 38,074.75-52,518.78-30,539.17

Finding the Fourth Proportional to 38,074.75, 52,518.78 and 30,539.17

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Solution

The fourth proportional to 38,074.75, 52,518.78 and 30,539.17 is: 42,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074.75 : 52,518.78 = 30,539.17 : x
  2. Step 2: Convert to fraction form
    38,074.75/52,518.78 = 30,539.17/x
  3. Step 3: Cross multiply
    38,074.75x = 52,518.78 × 30,539.17
  4. Step 4: Simplify right side
    38,074.75x = 1,603,879,950.61
  5. Step 5: Solve for x
    x = 1,603,879,950.61/38,074.75
  6. Step 6: Final answer
    x = 42,124.50

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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.