Home / 35,966.65-53,957.77-13,780.03

Finding the Fourth Proportional to 35,966.65, 53,957.77 and 13,780.03

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Solution

The fourth proportional to 35,966.65, 53,957.77 and 13,780.03 is: 20,673.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,966.65 : 53,957.77 = 13,780.03 : x
  2. Step 2: Convert to fraction form
    35,966.65/53,957.77 = 13,780.03/x
  3. Step 3: Cross multiply
    35,966.65x = 53,957.77 × 13,780.03
  4. Step 4: Simplify right side
    35,966.65x = 743,539,350.64
  5. Step 5: Solve for x
    x = 743,539,350.64/35,966.65
  6. Step 6: Final answer
    x = 20,673.02

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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.