Home / 39,709.50-59,565.69-12,007.50

Finding the Fourth Proportional to 39,709.50, 59,565.69 and 12,007.50

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Solution

The fourth proportional to 39,709.50, 59,565.69 and 12,007.50 is: 18,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,709.50 : 59,565.69 = 12,007.50 : x
  2. Step 2: Convert to fraction form
    39,709.50/59,565.69 = 12,007.50/x
  3. Step 3: Cross multiply
    39,709.50x = 59,565.69 × 12,007.50
  4. Step 4: Simplify right side
    39,709.50x = 715,235,022.68
  5. Step 5: Solve for x
    x = 715,235,022.68/39,709.50
  6. Step 6: Final answer
    x = 18,011.69

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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.