Home / 53,060.41-79,584.54-19,781.56

Finding the Fourth Proportional to 53,060.41, 79,584.54 and 19,781.56

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Solution

The fourth proportional to 53,060.41, 79,584.54 and 19,781.56 is: 29,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,060.41 : 79,584.54 = 19,781.56 : x
  2. Step 2: Convert to fraction form
    53,060.41/79,584.54 = 19,781.56/x
  3. Step 3: Cross multiply
    53,060.41x = 79,584.54 × 19,781.56
  4. Step 4: Simplify right side
    53,060.41x = 1,574,306,353.08
  5. Step 5: Solve for x
    x = 1,574,306,353.08/53,060.41
  6. Step 6: Final answer
    x = 29,670.08

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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.