Home / 47,476.72-71,204.40-21,164.68

Finding the Fourth Proportional to 47,476.72, 71,204.40 and 21,164.68

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Solution

The fourth proportional to 47,476.72, 71,204.40 and 21,164.68 is: 31,742.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,476.72 : 71,204.40 = 21,164.68 : x
  2. Step 2: Convert to fraction form
    47,476.72/71,204.40 = 21,164.68/x
  3. Step 3: Cross multiply
    47,476.72x = 71,204.40 × 21,164.68
  4. Step 4: Simplify right side
    47,476.72x = 1,507,018,340.59
  5. Step 5: Solve for x
    x = 1,507,018,340.59/47,476.72
  6. Step 6: Final answer
    x = 31,742.26

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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.