Home / 43,670.55-65,519.67-15,590.00

Finding the Fourth Proportional to 43,670.55, 65,519.67 and 15,590.00

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Solution

The fourth proportional to 43,670.55, 65,519.67 and 15,590.00 is: 23,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,670.55 : 65,519.67 = 15,590.00 : x
  2. Step 2: Convert to fraction form
    43,670.55/65,519.67 = 15,590.00/x
  3. Step 3: Cross multiply
    43,670.55x = 65,519.67 × 15,590.00
  4. Step 4: Simplify right side
    43,670.55x = 1,021,451,327.70
  5. Step 5: Solve for x
    x = 1,021,451,327.70/43,670.55
  6. Step 6: Final answer
    x = 23,389.94

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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.