Home / 43,755.18-65,632.77-12,590.43

Finding the Fourth Proportional to 43,755.18, 65,632.77 and 12,590.43

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Solution

The fourth proportional to 43,755.18, 65,632.77 and 12,590.43 is: 18,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,755.18 : 65,632.77 = 12,590.43 : x
  2. Step 2: Convert to fraction form
    43,755.18/65,632.77 = 12,590.43/x
  3. Step 3: Cross multiply
    43,755.18x = 65,632.77 × 12,590.43
  4. Step 4: Simplify right side
    43,755.18x = 826,344,796.39
  5. Step 5: Solve for x
    x = 826,344,796.39/43,755.18
  6. Step 6: Final answer
    x = 18,885.65

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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.