Home / 45,459.98-68,188.38-13,868.77

Finding the Fourth Proportional to 45,459.98, 68,188.38 and 13,868.77

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Solution

The fourth proportional to 45,459.98, 68,188.38 and 13,868.77 is: 20,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,459.98 : 68,188.38 = 13,868.77 : x
  2. Step 2: Convert to fraction form
    45,459.98/68,188.38 = 13,868.77/x
  3. Step 3: Cross multiply
    45,459.98x = 68,188.38 × 13,868.77
  4. Step 4: Simplify right side
    45,459.98x = 945,688,942.28
  5. Step 5: Solve for x
    x = 945,688,942.28/45,459.98
  6. Step 6: Final answer
    x = 20,802.67

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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.