Home / 31,530.24-47,266.32-10,739.28

Finding the Fourth Proportional to 31,530.24, 47,266.32 and 10,739.28

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Solution

The fourth proportional to 31,530.24, 47,266.32 and 10,739.28 is: 16,099.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530.24 : 47,266.32 = 10,739.28 : x
  2. Step 2: Convert to fraction form
    31,530.24/47,266.32 = 10,739.28/x
  3. Step 3: Cross multiply
    31,530.24x = 47,266.32 × 10,739.28
  4. Step 4: Simplify right side
    31,530.24x = 507,606,245.05
  5. Step 5: Solve for x
    x = 507,606,245.05/31,530.24
  6. Step 6: Final answer
    x = 16,099.03

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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.