Home / 30,582.18-45,879.87-9,521.79

Finding the Fourth Proportional to 30,582.18, 45,879.87 and 9,521.79

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Solution

The fourth proportional to 30,582.18, 45,879.87 and 9,521.79 is: 14,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,582.18 : 45,879.87 = 9,521.79 : x
  2. Step 2: Convert to fraction form
    30,582.18/45,879.87 = 9,521.79/x
  3. Step 3: Cross multiply
    30,582.18x = 45,879.87 × 9,521.79
  4. Step 4: Simplify right side
    30,582.18x = 436,858,487.37
  5. Step 5: Solve for x
    x = 436,858,487.37/30,582.18
  6. Step 6: Final answer
    x = 14,284.74

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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.