Home / 30,925.17-46,322.10-20,936.07

Finding the Fourth Proportional to 30,925.17, 46,322.10 and 20,936.07

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Solution

The fourth proportional to 30,925.17, 46,322.10 and 20,936.07 is: 31,359.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,925.17 : 46,322.10 = 20,936.07 : x
  2. Step 2: Convert to fraction form
    30,925.17/46,322.10 = 20,936.07/x
  3. Step 3: Cross multiply
    30,925.17x = 46,322.10 × 20,936.07
  4. Step 4: Simplify right side
    30,925.17x = 969,802,728.15
  5. Step 5: Solve for x
    x = 969,802,728.15/30,925.17
  6. Step 6: Final answer
    x = 31,359.66

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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.