Home / 43,209.88-64,814.83-13,630.02

Finding the Fourth Proportional to 43,209.88, 64,814.83 and 13,630.02

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Solution

The fourth proportional to 43,209.88, 64,814.83 and 13,630.02 is: 20,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,209.88 : 64,814.83 = 13,630.02 : x
  2. Step 2: Convert to fraction form
    43,209.88/64,814.83 = 13,630.02/x
  3. Step 3: Cross multiply
    43,209.88x = 64,814.83 × 13,630.02
  4. Step 4: Simplify right side
    43,209.88x = 883,427,593.32
  5. Step 5: Solve for x
    x = 883,427,593.32/43,209.88
  6. Step 6: Final answer
    x = 20,445.04

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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.