Home / 43,345.69-65,026.61-13,755.55

Finding the Fourth Proportional to 43,345.69, 65,026.61 and 13,755.55

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Solution

The fourth proportional to 43,345.69, 65,026.61 and 13,755.55 is: 20,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,345.69 : 65,026.61 = 13,755.55 : x
  2. Step 2: Convert to fraction form
    43,345.69/65,026.61 = 13,755.55/x
  3. Step 3: Cross multiply
    43,345.69x = 65,026.61 × 13,755.55
  4. Step 4: Simplify right side
    43,345.69x = 894,476,785.19
  5. Step 5: Solve for x
    x = 894,476,785.19/43,345.69
  6. Step 6: Final answer
    x = 20,635.89

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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.