Home / 47,301.12-70,958.16-16,128

Finding the Fourth Proportional to 47,301.12, 70,958.16 and 16,128

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Solution

The fourth proportional to 47,301.12, 70,958.16 and 16,128 is: 24,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,301.12 : 70,958.16 = 16,128 : x
  2. Step 2: Convert to fraction form
    47,301.12/70,958.16 = 16,128/x
  3. Step 3: Cross multiply
    47,301.12x = 70,958.16 × 16,128
  4. Step 4: Simplify right side
    47,301.12x = 1,144,413,204.48
  5. Step 5: Solve for x
    x = 1,144,413,204.48/47,301.12
  6. Step 6: Final answer
    x = 24,194.21

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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.