Home / 39,225.75-58,864.55-18,450.87

Finding the Fourth Proportional to 39,225.75, 58,864.55 and 18,450.87

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Solution

The fourth proportional to 39,225.75, 58,864.55 and 18,450.87 is: 27,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,225.75 : 58,864.55 = 18,450.87 : x
  2. Step 2: Convert to fraction form
    39,225.75/58,864.55 = 18,450.87/x
  3. Step 3: Cross multiply
    39,225.75x = 58,864.55 × 18,450.87
  4. Step 4: Simplify right side
    39,225.75x = 1,086,102,067.40
  5. Step 5: Solve for x
    x = 1,086,102,067.40/39,225.75
  6. Step 6: Final answer
    x = 27,688.50

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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.