Home / 40,298.40-60,450.48-13,999.84

Finding the Fourth Proportional to 40,298.40, 60,450.48 and 13,999.84

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Solution

The fourth proportional to 40,298.40, 60,450.48 and 13,999.84 is: 21,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,298.40 : 60,450.48 = 13,999.84 : x
  2. Step 2: Convert to fraction form
    40,298.40/60,450.48 = 13,999.84/x
  3. Step 3: Cross multiply
    40,298.40x = 60,450.48 × 13,999.84
  4. Step 4: Simplify right side
    40,298.40x = 846,297,047.92
  5. Step 5: Solve for x
    x = 846,297,047.92/40,298.40
  6. Step 6: Final answer
    x = 21,000.76

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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.