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Finding the Fourth Proportional to 39,089.91, 58,634.91 and 9,507.54

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Solution

The fourth proportional to 39,089.91, 58,634.91 and 9,507.54 is: 14,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,089.91 : 58,634.91 = 9,507.54 : x
  2. Step 2: Convert to fraction form
    39,089.91/58,634.91 = 9,507.54/x
  3. Step 3: Cross multiply
    39,089.91x = 58,634.91 × 9,507.54
  4. Step 4: Simplify right side
    39,089.91x = 557,473,752.22
  5. Step 5: Solve for x
    x = 557,473,752.22/39,089.91
  6. Step 6: Final answer
    x = 14,261.32

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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.