Home / 39,778.57-59,667.99-13,501.90

Finding the Fourth Proportional to 39,778.57, 59,667.99 and 13,501.90

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Solution

The fourth proportional to 39,778.57, 59,667.99 and 13,501.90 is: 20,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,778.57 : 59,667.99 = 13,501.90 : x
  2. Step 2: Convert to fraction form
    39,778.57/59,667.99 = 13,501.90/x
  3. Step 3: Cross multiply
    39,778.57x = 59,667.99 × 13,501.90
  4. Step 4: Simplify right side
    39,778.57x = 805,631,234.18
  5. Step 5: Solve for x
    x = 805,631,234.18/39,778.57
  6. Step 6: Final answer
    x = 20,252.90

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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.