Home / 30,862.42-46,292.10-10,872.91

Finding the Fourth Proportional to 30,862.42, 46,292.10 and 10,872.91

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Solution

The fourth proportional to 30,862.42, 46,292.10 and 10,872.91 is: 16,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,862.42 : 46,292.10 = 10,872.91 : x
  2. Step 2: Convert to fraction form
    30,862.42/46,292.10 = 10,872.91/x
  3. Step 3: Cross multiply
    30,862.42x = 46,292.10 × 10,872.91
  4. Step 4: Simplify right side
    30,862.42x = 503,329,837.01
  5. Step 5: Solve for x
    x = 503,329,837.01/30,862.42
  6. Step 6: Final answer
    x = 16,308.83

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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.