Home / 43,579.20-65,659.56-39,423.84

Finding the Fourth Proportional to 43,579.20, 65,659.56 and 39,423.84

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Solution

The fourth proportional to 43,579.20, 65,659.56 and 39,423.84 is: 59,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579.20 : 65,659.56 = 39,423.84 : x
  2. Step 2: Convert to fraction form
    43,579.20/65,659.56 = 39,423.84/x
  3. Step 3: Cross multiply
    43,579.20x = 65,659.56 × 39,423.84
  4. Step 4: Simplify right side
    43,579.20x = 2,588,551,987.91
  5. Step 5: Solve for x
    x = 2,588,551,987.91/43,579.20
  6. Step 6: Final answer
    x = 59,398.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.