Home / 31,178.85-46,740.59-11,452.78

Finding the Fourth Proportional to 31,178.85, 46,740.59 and 11,452.78

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Solution

The fourth proportional to 31,178.85, 46,740.59 and 11,452.78 is: 17,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178.85 : 46,740.59 = 11,452.78 : x
  2. Step 2: Convert to fraction form
    31,178.85/46,740.59 = 11,452.78/x
  3. Step 3: Cross multiply
    31,178.85x = 46,740.59 × 11,452.78
  4. Step 4: Simplify right side
    31,178.85x = 535,309,694.34
  5. Step 5: Solve for x
    x = 535,309,694.34/31,178.85
  6. Step 6: Final answer
    x = 17,169.00

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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.