Home / 19,540.14-29,309.80-4,749.13

Finding the Fourth Proportional to 19,540.14, 29,309.80 and 4,749.13

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Solution

The fourth proportional to 19,540.14, 29,309.80 and 4,749.13 is: 7,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.14 : 29,309.80 = 4,749.13 : x
  2. Step 2: Convert to fraction form
    19,540.14/29,309.80 = 4,749.13/x
  3. Step 3: Cross multiply
    19,540.14x = 29,309.80 × 4,749.13
  4. Step 4: Simplify right side
    19,540.14x = 139,196,050.47
  5. Step 5: Solve for x
    x = 139,196,050.47/19,540.14
  6. Step 6: Final answer
    x = 7,123.60

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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.