Home / 40,303.50-55,643.62-25,988.06

Finding the Fourth Proportional to 40,303.50, 55,643.62 and 25,988.06

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Solution

The fourth proportional to 40,303.50, 55,643.62 and 25,988.06 is: 35,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,303.50 : 55,643.62 = 25,988.06 : x
  2. Step 2: Convert to fraction form
    40,303.50/55,643.62 = 25,988.06/x
  3. Step 3: Cross multiply
    40,303.50x = 55,643.62 × 25,988.06
  4. Step 4: Simplify right side
    40,303.50x = 1,446,069,735.18
  5. Step 5: Solve for x
    x = 1,446,069,735.18/40,303.50
  6. Step 6: Final answer
    x = 35,879.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.