Home / 30,027.08-45,005.45-12,246.65

Finding the Fourth Proportional to 30,027.08, 45,005.45 and 12,246.65

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Solution

The fourth proportional to 30,027.08, 45,005.45 and 12,246.65 is: 18,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,027.08 : 45,005.45 = 12,246.65 : x
  2. Step 2: Convert to fraction form
    30,027.08/45,005.45 = 12,246.65/x
  3. Step 3: Cross multiply
    30,027.08x = 45,005.45 × 12,246.65
  4. Step 4: Simplify right side
    30,027.08x = 551,165,994.24
  5. Step 5: Solve for x
    x = 551,165,994.24/30,027.08
  6. Step 6: Final answer
    x = 18,355.63

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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.