Home / 50,315.92-75,476.46-12,876.32

Finding the Fourth Proportional to 50,315.92, 75,476.46 and 12,876.32

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Solution

The fourth proportional to 50,315.92, 75,476.46 and 12,876.32 is: 19,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,315.92 : 75,476.46 = 12,876.32 : x
  2. Step 2: Convert to fraction form
    50,315.92/75,476.46 = 12,876.32/x
  3. Step 3: Cross multiply
    50,315.92x = 75,476.46 × 12,876.32
  4. Step 4: Simplify right side
    50,315.92x = 971,859,051.43
  5. Step 5: Solve for x
    x = 971,859,051.43/50,315.92
  6. Step 6: Final answer
    x = 19,315.14

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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.