Home / 35,834.54-53,756.40-11,810.80

Finding the Fourth Proportional to 35,834.54, 53,756.40 and 11,810.80

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Solution

The fourth proportional to 35,834.54, 53,756.40 and 11,810.80 is: 17,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,834.54 : 53,756.40 = 11,810.80 : x
  2. Step 2: Convert to fraction form
    35,834.54/53,756.40 = 11,810.80/x
  3. Step 3: Cross multiply
    35,834.54x = 53,756.40 × 11,810.80
  4. Step 4: Simplify right side
    35,834.54x = 634,906,089.12
  5. Step 5: Solve for x
    x = 634,906,089.12/35,834.54
  6. Step 6: Final answer
    x = 17,717.71

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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.