Home / 40,995.77-61,492.57-11,415.65

Finding the Fourth Proportional to 40,995.77, 61,492.57 and 11,415.65

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Solution

The fourth proportional to 40,995.77, 61,492.57 and 11,415.65 is: 17,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,995.77 : 61,492.57 = 11,415.65 : x
  2. Step 2: Convert to fraction form
    40,995.77/61,492.57 = 11,415.65/x
  3. Step 3: Cross multiply
    40,995.77x = 61,492.57 × 11,415.65
  4. Step 4: Simplify right side
    40,995.77x = 701,977,320.72
  5. Step 5: Solve for x
    x = 701,977,320.72/40,995.77
  6. Step 6: Final answer
    x = 17,123.17

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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.