Home / 30,143.71-41,598.15-16,716.95

Finding the Fourth Proportional to 30,143.71, 41,598.15 and 16,716.95

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Solution

The fourth proportional to 30,143.71, 41,598.15 and 16,716.95 is: 23,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,143.71 : 41,598.15 = 16,716.95 : x
  2. Step 2: Convert to fraction form
    30,143.71/41,598.15 = 16,716.95/x
  3. Step 3: Cross multiply
    30,143.71x = 41,598.15 × 16,716.95
  4. Step 4: Simplify right side
    30,143.71x = 695,393,985.65
  5. Step 5: Solve for x
    x = 695,393,985.65/30,143.71
  6. Step 6: Final answer
    x = 23,069.29

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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.