Home / 43,302.40-64,904.36-18,326.86

Finding the Fourth Proportional to 43,302.40, 64,904.36 and 18,326.86

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Solution

The fourth proportional to 43,302.40, 64,904.36 and 18,326.86 is: 27,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,302.40 : 64,904.36 = 18,326.86 : x
  2. Step 2: Convert to fraction form
    43,302.40/64,904.36 = 18,326.86/x
  3. Step 3: Cross multiply
    43,302.40x = 64,904.36 × 18,326.86
  4. Step 4: Simplify right side
    43,302.40x = 1,189,492,865.21
  5. Step 5: Solve for x
    x = 1,189,492,865.21/43,302.40
  6. Step 6: Final answer
    x = 27,469.45

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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.