Home / 47,111.78-70,668.06-13,832.38

Finding the Fourth Proportional to 47,111.78, 70,668.06 and 13,832.38

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Solution

The fourth proportional to 47,111.78, 70,668.06 and 13,832.38 is: 20,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,111.78 : 70,668.06 = 13,832.38 : x
  2. Step 2: Convert to fraction form
    47,111.78/70,668.06 = 13,832.38/x
  3. Step 3: Cross multiply
    47,111.78x = 70,668.06 × 13,832.38
  4. Step 4: Simplify right side
    47,111.78x = 977,507,459.78
  5. Step 5: Solve for x
    x = 977,507,459.78/47,111.78
  6. Step 6: Final answer
    x = 20,748.68

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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.