Home / 40,894.62-61,341.75-11,312.40

Finding the Fourth Proportional to 40,894.62, 61,341.75 and 11,312.40

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Solution

The fourth proportional to 40,894.62, 61,341.75 and 11,312.40 is: 16,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,894.62 : 61,341.75 = 11,312.40 : x
  2. Step 2: Convert to fraction form
    40,894.62/61,341.75 = 11,312.40/x
  3. Step 3: Cross multiply
    40,894.62x = 61,341.75 × 11,312.40
  4. Step 4: Simplify right side
    40,894.62x = 693,922,412.70
  5. Step 5: Solve for x
    x = 693,922,412.70/40,894.62
  6. Step 6: Final answer
    x = 16,968.55

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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.