Home / 43,390.44-65,084.45-13,810.05

Finding the Fourth Proportional to 43,390.44, 65,084.45 and 13,810.05

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Solution

The fourth proportional to 43,390.44, 65,084.45 and 13,810.05 is: 20,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,390.44 : 65,084.45 = 13,810.05 : x
  2. Step 2: Convert to fraction form
    43,390.44/65,084.45 = 13,810.05/x
  3. Step 3: Cross multiply
    43,390.44x = 65,084.45 × 13,810.05
  4. Step 4: Simplify right side
    43,390.44x = 898,819,439.67
  5. Step 5: Solve for x
    x = 898,819,439.67/43,390.44
  6. Step 6: Final answer
    x = 20,714.69

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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.