Home / 47,566.89-71,344.65-12,509.28

Finding the Fourth Proportional to 47,566.89, 71,344.65 and 12,509.28

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Solution

The fourth proportional to 47,566.89, 71,344.65 and 12,509.28 is: 18,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,566.89 : 71,344.65 = 12,509.28 : x
  2. Step 2: Convert to fraction form
    47,566.89/71,344.65 = 12,509.28/x
  3. Step 3: Cross multiply
    47,566.89x = 71,344.65 × 12,509.28
  4. Step 4: Simplify right side
    47,566.89x = 892,470,203.35
  5. Step 5: Solve for x
    x = 892,470,203.35/47,566.89
  6. Step 6: Final answer
    x = 18,762.42

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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.