Home / 51,341.12-70,849.94-28,680.42

Finding the Fourth Proportional to 51,341.12, 70,849.94 and 28,680.42

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Solution

The fourth proportional to 51,341.12, 70,849.94 and 28,680.42 is: 39,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,341.12 : 70,849.94 = 28,680.42 : x
  2. Step 2: Convert to fraction form
    51,341.12/70,849.94 = 28,680.42/x
  3. Step 3: Cross multiply
    51,341.12x = 70,849.94 × 28,680.42
  4. Step 4: Simplify right side
    51,341.12x = 2,032,006,107.88
  5. Step 5: Solve for x
    x = 2,032,006,107.88/51,341.12
  6. Step 6: Final answer
    x = 39,578.53

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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.