Home / 40,816.95-61,225.83-12,354.14

Finding the Fourth Proportional to 40,816.95, 61,225.83 and 12,354.14

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Solution

The fourth proportional to 40,816.95, 61,225.83 and 12,354.14 is: 18,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,816.95 : 61,225.83 = 12,354.14 : x
  2. Step 2: Convert to fraction form
    40,816.95/61,225.83 = 12,354.14/x
  3. Step 3: Cross multiply
    40,816.95x = 61,225.83 × 12,354.14
  4. Step 4: Simplify right side
    40,816.95x = 756,392,169.31
  5. Step 5: Solve for x
    x = 756,392,169.31/40,816.95
  6. Step 6: Final answer
    x = 18,531.33

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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.