Home / 39,007.90-58,532.10-18,231.40

Finding the Fourth Proportional to 39,007.90, 58,532.10 and 18,231.40

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Solution

The fourth proportional to 39,007.90, 58,532.10 and 18,231.40 is: 27,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,007.90 : 58,532.10 = 18,231.40 : x
  2. Step 2: Convert to fraction form
    39,007.90/58,532.10 = 18,231.40/x
  3. Step 3: Cross multiply
    39,007.90x = 58,532.10 × 18,231.40
  4. Step 4: Simplify right side
    39,007.90x = 1,067,122,127.94
  5. Step 5: Solve for x
    x = 1,067,122,127.94/39,007.90
  6. Step 6: Final answer
    x = 27,356.56

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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.