Home / 40,856.36-61,284.59-12,776.56

Finding the Fourth Proportional to 40,856.36, 61,284.59 and 12,776.56

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Solution

The fourth proportional to 40,856.36, 61,284.59 and 12,776.56 is: 19,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,856.36 : 61,284.59 = 12,776.56 : x
  2. Step 2: Convert to fraction form
    40,856.36/61,284.59 = 12,776.56/x
  3. Step 3: Cross multiply
    40,856.36x = 61,284.59 × 12,776.56
  4. Step 4: Simplify right side
    40,856.36x = 783,006,119.94
  5. Step 5: Solve for x
    x = 783,006,119.94/40,856.36
  6. Step 6: Final answer
    x = 19,164.85

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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.