Home / 30,317.59-41,837.70-16,889.95

Finding the Fourth Proportional to 30,317.59, 41,837.70 and 16,889.95

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Solution

The fourth proportional to 30,317.59, 41,837.70 and 16,889.95 is: 23,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,317.59 : 41,837.70 = 16,889.95 : x
  2. Step 2: Convert to fraction form
    30,317.59/41,837.70 = 16,889.95/x
  3. Step 3: Cross multiply
    30,317.59x = 41,837.70 × 16,889.95
  4. Step 4: Simplify right side
    30,317.59x = 706,636,661.12
  5. Step 5: Solve for x
    x = 706,636,661.12/30,317.59
  6. Step 6: Final answer
    x = 23,307.81

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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.