Home / 31,293.85-46,926.72-18,649.57

Finding the Fourth Proportional to 31,293.85, 46,926.72 and 18,649.57

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Solution

The fourth proportional to 31,293.85, 46,926.72 and 18,649.57 is: 27,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.85 : 46,926.72 = 18,649.57 : x
  2. Step 2: Convert to fraction form
    31,293.85/46,926.72 = 18,649.57/x
  3. Step 3: Cross multiply
    31,293.85x = 46,926.72 × 18,649.57
  4. Step 4: Simplify right side
    31,293.85x = 875,163,149.51
  5. Step 5: Solve for x
    x = 875,163,149.51/31,293.85
  6. Step 6: Final answer
    x = 27,965.98

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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.