Home / 31,041.11-46,571.39-19,960.31

Finding the Fourth Proportional to 31,041.11, 46,571.39 and 19,960.31

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Solution

The fourth proportional to 31,041.11, 46,571.39 and 19,960.31 is: 29,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,041.11 : 46,571.39 = 19,960.31 : x
  2. Step 2: Convert to fraction form
    31,041.11/46,571.39 = 19,960.31/x
  3. Step 3: Cross multiply
    31,041.11x = 46,571.39 × 19,960.31
  4. Step 4: Simplify right side
    31,041.11x = 929,579,547.86
  5. Step 5: Solve for x
    x = 929,579,547.86/31,041.11
  6. Step 6: Final answer
    x = 29,946.72

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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.