Home / 43,342.16-65,001.90-12,170.12

Finding the Fourth Proportional to 43,342.16, 65,001.90 and 12,170.12

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Solution

The fourth proportional to 43,342.16, 65,001.90 and 12,170.12 is: 18,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,342.16 : 65,001.90 = 12,170.12 : x
  2. Step 2: Convert to fraction form
    43,342.16/65,001.90 = 12,170.12/x
  3. Step 3: Cross multiply
    43,342.16x = 65,001.90 × 12,170.12
  4. Step 4: Simplify right side
    43,342.16x = 791,080,923.23
  5. Step 5: Solve for x
    x = 791,080,923.23/43,342.16
  6. Step 6: Final answer
    x = 18,252.00

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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.