Home / 53,092.19-79,637.65-21,493.69

Finding the Fourth Proportional to 53,092.19, 79,637.65 and 21,493.69

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Solution

The fourth proportional to 53,092.19, 79,637.65 and 21,493.69 is: 32,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,092.19 : 79,637.65 = 21,493.69 : x
  2. Step 2: Convert to fraction form
    53,092.19/79,637.65 = 21,493.69/x
  3. Step 3: Cross multiply
    53,092.19x = 79,637.65 × 21,493.69
  4. Step 4: Simplify right side
    53,092.19x = 1,711,706,708.60
  5. Step 5: Solve for x
    x = 1,711,706,708.60/53,092.19
  6. Step 6: Final answer
    x = 32,240.27

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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.