Home / 31,275.85-46,907.28-11,540.91

Finding the Fourth Proportional to 31,275.85, 46,907.28 and 11,540.91

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Solution

The fourth proportional to 31,275.85, 46,907.28 and 11,540.91 is: 17,308.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,275.85 : 46,907.28 = 11,540.91 : x
  2. Step 2: Convert to fraction form
    31,275.85/46,907.28 = 11,540.91/x
  3. Step 3: Cross multiply
    31,275.85x = 46,907.28 × 11,540.91
  4. Step 4: Simplify right side
    31,275.85x = 541,352,444.49
  5. Step 5: Solve for x
    x = 541,352,444.49/31,275.85
  6. Step 6: Final answer
    x = 17,308.96

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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.