Home / 43,108.59-64,662.82-13,528.74

Finding the Fourth Proportional to 43,108.59, 64,662.82 and 13,528.74

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Solution

The fourth proportional to 43,108.59, 64,662.82 and 13,528.74 is: 20,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,108.59 : 64,662.82 = 13,528.74 : x
  2. Step 2: Convert to fraction form
    43,108.59/64,662.82 = 13,528.74/x
  3. Step 3: Cross multiply
    43,108.59x = 64,662.82 × 13,528.74
  4. Step 4: Simplify right side
    43,108.59x = 874,806,479.45
  5. Step 5: Solve for x
    x = 874,806,479.45/43,108.59
  6. Step 6: Final answer
    x = 20,293.09

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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.