Home / 43,498.42-65,252.32-13,905.70

Finding the Fourth Proportional to 43,498.42, 65,252.32 and 13,905.70

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Solution

The fourth proportional to 43,498.42, 65,252.32 and 13,905.70 is: 20,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,498.42 : 65,252.32 = 13,905.70 : x
  2. Step 2: Convert to fraction form
    43,498.42/65,252.32 = 13,905.70/x
  3. Step 3: Cross multiply
    43,498.42x = 65,252.32 × 13,905.70
  4. Step 4: Simplify right side
    43,498.42x = 907,379,186.22
  5. Step 5: Solve for x
    x = 907,379,186.22/43,498.42
  6. Step 6: Final answer
    x = 20,860.05

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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.