Home / 40,189.89-55,459.35-22,284.24

Finding the Fourth Proportional to 40,189.89, 55,459.35 and 22,284.24

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Solution

The fourth proportional to 40,189.89, 55,459.35 and 22,284.24 is: 30,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189.89 : 55,459.35 = 22,284.24 : x
  2. Step 2: Convert to fraction form
    40,189.89/55,459.35 = 22,284.24/x
  3. Step 3: Cross multiply
    40,189.89x = 55,459.35 × 22,284.24
  4. Step 4: Simplify right side
    40,189.89x = 1,235,869,257.67
  5. Step 5: Solve for x
    x = 1,235,869,257.67/40,189.89
  6. Step 6: Final answer
    x = 30,750.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.