Home / 30,143.26-41,599.83-16,715.80

Finding the Fourth Proportional to 30,143.26, 41,599.83 and 16,715.80

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Solution

The fourth proportional to 30,143.26, 41,599.83 and 16,715.80 is: 23,068.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,143.26 : 41,599.83 = 16,715.80 : x
  2. Step 2: Convert to fraction form
    30,143.26/41,599.83 = 16,715.80/x
  3. Step 3: Cross multiply
    30,143.26x = 41,599.83 × 16,715.80
  4. Step 4: Simplify right side
    30,143.26x = 695,374,438.31
  5. Step 5: Solve for x
    x = 695,374,438.31/30,143.26
  6. Step 6: Final answer
    x = 23,068.99

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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.