Home / 47,886.12-71,834.04-12,829.32

Finding the Fourth Proportional to 47,886.12, 71,834.04 and 12,829.32

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Solution

The fourth proportional to 47,886.12, 71,834.04 and 12,829.32 is: 19,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,886.12 : 71,834.04 = 12,829.32 : x
  2. Step 2: Convert to fraction form
    47,886.12/71,834.04 = 12,829.32/x
  3. Step 3: Cross multiply
    47,886.12x = 71,834.04 × 12,829.32
  4. Step 4: Simplify right side
    47,886.12x = 921,581,886.05
  5. Step 5: Solve for x
    x = 921,581,886.05/47,886.12
  6. Step 6: Final answer
    x = 19,245.28

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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.