Home / 30,317.88-41,837.60-16,888.46

Finding the Fourth Proportional to 30,317.88, 41,837.60 and 16,888.46

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Solution

The fourth proportional to 30,317.88, 41,837.60 and 16,888.46 is: 23,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,317.88 : 41,837.60 = 16,888.46 : x
  2. Step 2: Convert to fraction form
    30,317.88/41,837.60 = 16,888.46/x
  3. Step 3: Cross multiply
    30,317.88x = 41,837.60 × 16,888.46
  4. Step 4: Simplify right side
    30,317.88x = 706,572,340.47
  5. Step 5: Solve for x
    x = 706,572,340.47/30,317.88
  6. Step 6: Final answer
    x = 23,305.47

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1.5x scale

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.