Home / 43,580.25-65,372.85-12,417.93

Finding the Fourth Proportional to 43,580.25, 65,372.85 and 12,417.93

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Solution

The fourth proportional to 43,580.25, 65,372.85 and 12,417.93 is: 18,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,580.25 : 65,372.85 = 12,417.93 : x
  2. Step 2: Convert to fraction form
    43,580.25/65,372.85 = 12,417.93/x
  3. Step 3: Cross multiply
    43,580.25x = 65,372.85 × 12,417.93
  4. Step 4: Simplify right side
    43,580.25x = 811,795,475.20
  5. Step 5: Solve for x
    x = 811,795,475.20/43,580.25
  6. Step 6: Final answer
    x = 18,627.60

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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.