Home / 43,027.35-64,518.75-19,314.47

Finding the Fourth Proportional to 43,027.35, 64,518.75 and 19,314.47

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Solution

The fourth proportional to 43,027.35, 64,518.75 and 19,314.47 is: 28,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,027.35 : 64,518.75 = 19,314.47 : x
  2. Step 2: Convert to fraction form
    43,027.35/64,518.75 = 19,314.47/x
  3. Step 3: Cross multiply
    43,027.35x = 64,518.75 × 19,314.47
  4. Step 4: Simplify right side
    43,027.35x = 1,246,145,703.26
  5. Step 5: Solve for x
    x = 1,246,145,703.26/43,027.35
  6. Step 6: Final answer
    x = 28,961.71

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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.