Home / 47,296.78-70,897.26-30,667.36

Finding the Fourth Proportional to 47,296.78, 70,897.26 and 30,667.36

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Solution

The fourth proportional to 47,296.78, 70,897.26 and 30,667.36 is: 45,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,296.78 : 70,897.26 = 30,667.36 : x
  2. Step 2: Convert to fraction form
    47,296.78/70,897.26 = 30,667.36/x
  3. Step 3: Cross multiply
    47,296.78x = 70,897.26 × 30,667.36
  4. Step 4: Simplify right side
    47,296.78x = 2,174,231,795.43
  5. Step 5: Solve for x
    x = 2,174,231,795.43/47,296.78
  6. Step 6: Final answer
    x = 45,969.98

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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.