Home / 31,301.43-46,963.08-13,772.63

Finding the Fourth Proportional to 31,301.43, 46,963.08 and 13,772.63

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Solution

The fourth proportional to 31,301.43, 46,963.08 and 13,772.63 is: 20,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,301.43 : 46,963.08 = 13,772.63 : x
  2. Step 2: Convert to fraction form
    31,301.43/46,963.08 = 13,772.63/x
  3. Step 3: Cross multiply
    31,301.43x = 46,963.08 × 13,772.63
  4. Step 4: Simplify right side
    31,301.43x = 646,804,889.69
  5. Step 5: Solve for x
    x = 646,804,889.69/31,301.43
  6. Step 6: Final answer
    x = 20,663.75

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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.