Home / 45,346.86-68,025.35-12,068.21

Finding the Fourth Proportional to 45,346.86, 68,025.35 and 12,068.21

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Solution

The fourth proportional to 45,346.86, 68,025.35 and 12,068.21 is: 18,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,346.86 : 68,025.35 = 12,068.21 : x
  2. Step 2: Convert to fraction form
    45,346.86/68,025.35 = 12,068.21/x
  3. Step 3: Cross multiply
    45,346.86x = 68,025.35 × 12,068.21
  4. Step 4: Simplify right side
    45,346.86x = 820,944,409.36
  5. Step 5: Solve for x
    x = 820,944,409.36/45,346.86
  6. Step 6: Final answer
    x = 18,103.67

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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.