Home / 47,004.21-64,829.14-29,109.15

Finding the Fourth Proportional to 47,004.21, 64,829.14 and 29,109.15

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Solution

The fourth proportional to 47,004.21, 64,829.14 and 29,109.15 is: 40,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,004.21 : 64,829.14 = 29,109.15 : x
  2. Step 2: Convert to fraction form
    47,004.21/64,829.14 = 29,109.15/x
  3. Step 3: Cross multiply
    47,004.21x = 64,829.14 × 29,109.15
  4. Step 4: Simplify right side
    47,004.21x = 1,887,121,160.63
  5. Step 5: Solve for x
    x = 1,887,121,160.63/47,004.21
  6. Step 6: Final answer
    x = 40,147.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.