Home / 31,536.59-43,531.04-18,793.77

Finding the Fourth Proportional to 31,536.59, 43,531.04 and 18,793.77

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Solution

The fourth proportional to 31,536.59, 43,531.04 and 18,793.77 is: 25,941.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.59 : 43,531.04 = 18,793.77 : x
  2. Step 2: Convert to fraction form
    31,536.59/43,531.04 = 18,793.77/x
  3. Step 3: Cross multiply
    31,536.59x = 43,531.04 × 18,793.77
  4. Step 4: Simplify right side
    31,536.59x = 818,112,259.65
  5. Step 5: Solve for x
    x = 818,112,259.65/31,536.59
  6. Step 6: Final answer
    x = 25,941.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.