Home / 39,373.81-59,072.12-12,723.86

Finding the Fourth Proportional to 39,373.81, 59,072.12 and 12,723.86

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Solution

The fourth proportional to 39,373.81, 59,072.12 and 12,723.86 is: 19,089.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,373.81 : 59,072.12 = 12,723.86 : x
  2. Step 2: Convert to fraction form
    39,373.81/59,072.12 = 12,723.86/x
  3. Step 3: Cross multiply
    39,373.81x = 59,072.12 × 12,723.86
  4. Step 4: Simplify right side
    39,373.81x = 751,625,321.16
  5. Step 5: Solve for x
    x = 751,625,321.16/39,373.81
  6. Step 6: Final answer
    x = 19,089.48

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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.