Home / 45,102.36-67,632.21-13,500.24

Finding the Fourth Proportional to 45,102.36, 67,632.21 and 13,500.24

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Solution

The fourth proportional to 45,102.36, 67,632.21 and 13,500.24 is: 20,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,102.36 : 67,632.21 = 13,500.24 : x
  2. Step 2: Convert to fraction form
    45,102.36/67,632.21 = 13,500.24/x
  3. Step 3: Cross multiply
    45,102.36x = 67,632.21 × 13,500.24
  4. Step 4: Simplify right side
    45,102.36x = 913,051,066.73
  5. Step 5: Solve for x
    x = 913,051,066.73/45,102.36
  6. Step 6: Final answer
    x = 20,243.98

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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.