Home / 53,091.61-79,637.41-13,648.76

Finding the Fourth Proportional to 53,091.61, 79,637.41 and 13,648.76

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Solution

The fourth proportional to 53,091.61, 79,637.41 and 13,648.76 is: 20,473.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091.61 : 79,637.41 = 13,648.76 : x
  2. Step 2: Convert to fraction form
    53,091.61/79,637.41 = 13,648.76/x
  3. Step 3: Cross multiply
    53,091.61x = 79,637.41 × 13,648.76
  4. Step 4: Simplify right side
    53,091.61x = 1,086,951,896.11
  5. Step 5: Solve for x
    x = 1,086,951,896.11/53,091.61
  6. Step 6: Final answer
    x = 20,473.14

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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.