Home / 43,213.12-64,819.60-16,899.40

Finding the Fourth Proportional to 43,213.12, 64,819.60 and 16,899.40

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Solution

The fourth proportional to 43,213.12, 64,819.60 and 16,899.40 is: 25,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,213.12 : 64,819.60 = 16,899.40 : x
  2. Step 2: Convert to fraction form
    43,213.12/64,819.60 = 16,899.40/x
  3. Step 3: Cross multiply
    43,213.12x = 64,819.60 × 16,899.40
  4. Step 4: Simplify right side
    43,213.12x = 1,095,412,348.24
  5. Step 5: Solve for x
    x = 1,095,412,348.24/43,213.12
  6. Step 6: Final answer
    x = 25,349.07

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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.