Home / 38,637.14-57,981.67-13,677.08

Finding the Fourth Proportional to 38,637.14, 57,981.67 and 13,677.08

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Solution

The fourth proportional to 38,637.14, 57,981.67 and 13,677.08 is: 20,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,637.14 : 57,981.67 = 13,677.08 : x
  2. Step 2: Convert to fraction form
    38,637.14/57,981.67 = 13,677.08/x
  3. Step 3: Cross multiply
    38,637.14x = 57,981.67 × 13,677.08
  4. Step 4: Simplify right side
    38,637.14x = 793,019,615.02
  5. Step 5: Solve for x
    x = 793,019,615.02/38,637.14
  6. Step 6: Final answer
    x = 20,524.80

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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.