Home / 47,648.08-71,466.64-12,590.48

Finding the Fourth Proportional to 47,648.08, 71,466.64 and 12,590.48

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Solution

The fourth proportional to 47,648.08, 71,466.64 and 12,590.48 is: 18,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,648.08 : 71,466.64 = 12,590.48 : x
  2. Step 2: Convert to fraction form
    47,648.08/71,466.64 = 12,590.48/x
  3. Step 3: Cross multiply
    47,648.08x = 71,466.64 × 12,590.48
  4. Step 4: Simplify right side
    47,648.08x = 899,799,301.59
  5. Step 5: Solve for x
    x = 899,799,301.59/47,648.08
  6. Step 6: Final answer
    x = 18,884.27

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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.