Home / 35,890.39-53,824.10-11,870.23

Finding the Fourth Proportional to 35,890.39, 53,824.10 and 11,870.23

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Solution

The fourth proportional to 35,890.39, 53,824.10 and 11,870.23 is: 17,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890.39 : 53,824.10 = 11,870.23 : x
  2. Step 2: Convert to fraction form
    35,890.39/53,824.10 = 11,870.23/x
  3. Step 3: Cross multiply
    35,890.39x = 53,824.10 × 11,870.23
  4. Step 4: Simplify right side
    35,890.39x = 638,904,446.54
  5. Step 5: Solve for x
    x = 638,904,446.54/35,890.39
  6. Step 6: Final answer
    x = 17,801.55

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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.