Home / 31,275.55-46,935.26-13,757.68

Finding the Fourth Proportional to 31,275.55, 46,935.26 and 13,757.68

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Solution

The fourth proportional to 31,275.55, 46,935.26 and 13,757.68 is: 20,646.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,275.55 : 46,935.26 = 13,757.68 : x
  2. Step 2: Convert to fraction form
    31,275.55/46,935.26 = 13,757.68/x
  3. Step 3: Cross multiply
    31,275.55x = 46,935.26 × 13,757.68
  4. Step 4: Simplify right side
    31,275.55x = 645,720,287.80
  5. Step 5: Solve for x
    x = 645,720,287.80/31,275.55
  6. Step 6: Final answer
    x = 20,646.17

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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.