Home / 42,873.35-64,299.63-17,899.83

Finding the Fourth Proportional to 42,873.35, 64,299.63 and 17,899.83

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Solution

The fourth proportional to 42,873.35, 64,299.63 and 17,899.83 is: 26,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,873.35 : 64,299.63 = 17,899.83 : x
  2. Step 2: Convert to fraction form
    42,873.35/64,299.63 = 17,899.83/x
  3. Step 3: Cross multiply
    42,873.35x = 64,299.63 × 17,899.83
  4. Step 4: Simplify right side
    42,873.35x = 1,150,952,446.06
  5. Step 5: Solve for x
    x = 1,150,952,446.06/42,873.35
  6. Step 6: Final answer
    x = 26,845.41

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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.