Home / 31,118.85-46,650.47-13,574.79

Finding the Fourth Proportional to 31,118.85, 46,650.47 and 13,574.79

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Solution

The fourth proportional to 31,118.85, 46,650.47 and 13,574.79 is: 20,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,118.85 : 46,650.47 = 13,574.79 : x
  2. Step 2: Convert to fraction form
    31,118.85/46,650.47 = 13,574.79/x
  3. Step 3: Cross multiply
    31,118.85x = 46,650.47 × 13,574.79
  4. Step 4: Simplify right side
    31,118.85x = 633,270,265.78
  5. Step 5: Solve for x
    x = 633,270,265.78/31,118.85
  6. Step 6: Final answer
    x = 20,350.05

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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.