Home / 39,928.62-59,890.87-11,848.92

Finding the Fourth Proportional to 39,928.62, 59,890.87 and 11,848.92

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Solution

The fourth proportional to 39,928.62, 59,890.87 and 11,848.92 is: 17,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.62 : 59,890.87 = 11,848.92 : x
  2. Step 2: Convert to fraction form
    39,928.62/59,890.87 = 11,848.92/x
  3. Step 3: Cross multiply
    39,928.62x = 59,890.87 × 11,848.92
  4. Step 4: Simplify right side
    39,928.62x = 709,641,827.91
  5. Step 5: Solve for x
    x = 709,641,827.91/39,928.62
  6. Step 6: Final answer
    x = 17,772.76

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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.