Home / 43,300.80-64,951.65-15,221.64

Finding the Fourth Proportional to 43,300.80, 64,951.65 and 15,221.64

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Solution

The fourth proportional to 43,300.80, 64,951.65 and 15,221.64 is: 22,832.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,300.80 : 64,951.65 = 15,221.64 : x
  2. Step 2: Convert to fraction form
    43,300.80/64,951.65 = 15,221.64/x
  3. Step 3: Cross multiply
    43,300.80x = 64,951.65 × 15,221.64
  4. Step 4: Simplify right side
    43,300.80x = 988,670,633.71
  5. Step 5: Solve for x
    x = 988,670,633.71/43,300.80
  6. Step 6: Final answer
    x = 22,832.62

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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.