Home / 43,220.82-64,856.75-18,259.25

Finding the Fourth Proportional to 43,220.82, 64,856.75 and 18,259.25

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Solution

The fourth proportional to 43,220.82, 64,856.75 and 18,259.25 is: 27,399.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,220.82 : 64,856.75 = 18,259.25 : x
  2. Step 2: Convert to fraction form
    43,220.82/64,856.75 = 18,259.25/x
  3. Step 3: Cross multiply
    43,220.82x = 64,856.75 × 18,259.25
  4. Step 4: Simplify right side
    43,220.82x = 1,184,235,196.86
  5. Step 5: Solve for x
    x = 1,184,235,196.86/43,220.82
  6. Step 6: Final answer
    x = 27,399.65

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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.