Home / 47,001.79-70,486.26-18,914.56

Finding the Fourth Proportional to 47,001.79, 70,486.26 and 18,914.56

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Solution

The fourth proportional to 47,001.79, 70,486.26 and 18,914.56 is: 28,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,001.79 : 70,486.26 = 18,914.56 : x
  2. Step 2: Convert to fraction form
    47,001.79/70,486.26 = 18,914.56/x
  3. Step 3: Cross multiply
    47,001.79x = 70,486.26 × 18,914.56
  4. Step 4: Simplify right side
    47,001.79x = 1,333,216,593.95
  5. Step 5: Solve for x
    x = 1,333,216,593.95/47,001.79
  6. Step 6: Final answer
    x = 28,365.23

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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.