Home / 30,600.24-45,898.68-8,413.20

Finding the Fourth Proportional to 30,600.24, 45,898.68 and 8,413.20

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Solution

The fourth proportional to 30,600.24, 45,898.68 and 8,413.20 is: 12,619.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,600.24 : 45,898.68 = 8,413.20 : x
  2. Step 2: Convert to fraction form
    30,600.24/45,898.68 = 8,413.20/x
  3. Step 3: Cross multiply
    30,600.24x = 45,898.68 × 8,413.20
  4. Step 4: Simplify right side
    30,600.24x = 386,154,774.58
  5. Step 5: Solve for x
    x = 386,154,774.58/30,600.24
  6. Step 6: Final answer
    x = 12,619.34

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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.