Home / 43,279.12-59,725.38-25,374.40

Finding the Fourth Proportional to 43,279.12, 59,725.38 and 25,374.40

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Solution

The fourth proportional to 43,279.12, 59,725.38 and 25,374.40 is: 35,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,279.12 : 59,725.38 = 25,374.40 : x
  2. Step 2: Convert to fraction form
    43,279.12/59,725.38 = 25,374.40/x
  3. Step 3: Cross multiply
    43,279.12x = 59,725.38 × 25,374.40
  4. Step 4: Simplify right side
    43,279.12x = 1,515,495,682.27
  5. Step 5: Solve for x
    x = 1,515,495,682.27/43,279.12
  6. Step 6: Final answer
    x = 35,016.79

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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.