Home / 39,891.15-59,837.35-11,814.05

Finding the Fourth Proportional to 39,891.15, 59,837.35 and 11,814.05

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Solution

The fourth proportional to 39,891.15, 59,837.35 and 11,814.05 is: 17,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,891.15 : 59,837.35 = 11,814.05 : x
  2. Step 2: Convert to fraction form
    39,891.15/59,837.35 = 11,814.05/x
  3. Step 3: Cross multiply
    39,891.15x = 59,837.35 × 11,814.05
  4. Step 4: Simplify right side
    39,891.15x = 706,921,444.77
  5. Step 5: Solve for x
    x = 706,921,444.77/39,891.15
  6. Step 6: Final answer
    x = 17,721.26

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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.