Home / 43,261.62-64,899.57-13,275.12

Finding the Fourth Proportional to 43,261.62, 64,899.57 and 13,275.12

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Solution

The fourth proportional to 43,261.62, 64,899.57 and 13,275.12 is: 19,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,261.62 : 64,899.57 = 13,275.12 : x
  2. Step 2: Convert to fraction form
    43,261.62/64,899.57 = 13,275.12/x
  3. Step 3: Cross multiply
    43,261.62x = 64,899.57 × 13,275.12
  4. Step 4: Simplify right side
    43,261.62x = 861,549,579.70
  5. Step 5: Solve for x
    x = 861,549,579.70/43,261.62
  6. Step 6: Final answer
    x = 19,914.87

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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.