Home / 31,177.04-46,734.77-12,445.79

Finding the Fourth Proportional to 31,177.04, 46,734.77 and 12,445.79

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Solution

The fourth proportional to 31,177.04, 46,734.77 and 12,445.79 is: 18,656.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.04 : 46,734.77 = 12,445.79 : x
  2. Step 2: Convert to fraction form
    31,177.04/46,734.77 = 12,445.79/x
  3. Step 3: Cross multiply
    31,177.04x = 46,734.77 × 12,445.79
  4. Step 4: Simplify right side
    31,177.04x = 581,650,930.56
  5. Step 5: Solve for x
    x = 581,650,930.56/31,177.04
  6. Step 6: Final answer
    x = 18,656.39

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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.