Home / 31,806.24-47,635.53-30,699.10

Finding the Fourth Proportional to 31,806.24, 47,635.53 and 30,699.10

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Solution

The fourth proportional to 31,806.24, 47,635.53 and 30,699.10 is: 45,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,806.24 : 47,635.53 = 30,699.10 : x
  2. Step 2: Convert to fraction form
    31,806.24/47,635.53 = 30,699.10/x
  3. Step 3: Cross multiply
    31,806.24x = 47,635.53 × 30,699.10
  4. Step 4: Simplify right side
    31,806.24x = 1,462,367,899.02
  5. Step 5: Solve for x
    x = 1,462,367,899.02/31,806.24
  6. Step 6: Final answer
    x = 45,977.39

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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.