Home / 43,279.12-59,709.18-31,975.84

Finding the Fourth Proportional to 43,279.12, 59,709.18 and 31,975.84

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Solution

The fourth proportional to 43,279.12, 59,709.18 and 31,975.84 is: 44,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,279.12 : 59,709.18 = 31,975.84 : x
  2. Step 2: Convert to fraction form
    43,279.12/59,709.18 = 31,975.84/x
  3. Step 3: Cross multiply
    43,279.12x = 59,709.18 × 31,975.84
  4. Step 4: Simplify right side
    43,279.12x = 1,909,251,186.21
  5. Step 5: Solve for x
    x = 1,909,251,186.21/43,279.12
  6. Step 6: Final answer
    x = 44,114.83

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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.