Home / 40,816.13-61,205.72-14,521.56

Finding the Fourth Proportional to 40,816.13, 61,205.72 and 14,521.56

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Solution

The fourth proportional to 40,816.13, 61,205.72 and 14,521.56 is: 21,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,816.13 : 61,205.72 = 14,521.56 : x
  2. Step 2: Convert to fraction form
    40,816.13/61,205.72 = 14,521.56/x
  3. Step 3: Cross multiply
    40,816.13x = 61,205.72 × 14,521.56
  4. Step 4: Simplify right side
    40,816.13x = 888,802,462.72
  5. Step 5: Solve for x
    x = 888,802,462.72/40,816.13
  6. Step 6: Final answer
    x = 21,775.77

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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.