Home / 30,715.88-46,014.73-18,834.97

Finding the Fourth Proportional to 30,715.88, 46,014.73 and 18,834.97

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Solution

The fourth proportional to 30,715.88, 46,014.73 and 18,834.97 is: 28,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,715.88 : 46,014.73 = 18,834.97 : x
  2. Step 2: Convert to fraction form
    30,715.88/46,014.73 = 18,834.97/x
  3. Step 3: Cross multiply
    30,715.88x = 46,014.73 × 18,834.97
  4. Step 4: Simplify right side
    30,715.88x = 866,686,059.11
  5. Step 5: Solve for x
    x = 866,686,059.11/30,715.88
  6. Step 6: Final answer
    x = 28,216.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.