Home / 31,483.23-47,195.16-15,673.32

Finding the Fourth Proportional to 31,483.23, 47,195.16 and 15,673.32

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Solution

The fourth proportional to 31,483.23, 47,195.16 and 15,673.32 is: 23,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,483.23 : 47,195.16 = 15,673.32 : x
  2. Step 2: Convert to fraction form
    31,483.23/47,195.16 = 15,673.32/x
  3. Step 3: Cross multiply
    31,483.23x = 47,195.16 × 15,673.32
  4. Step 4: Simplify right side
    31,483.23x = 739,704,845.13
  5. Step 5: Solve for x
    x = 739,704,845.13/31,483.23
  6. Step 6: Final answer
    x = 23,495.20

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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.