Home / 36,185.04-54,280.80-9,889.92

Finding the Fourth Proportional to 36,185.04, 54,280.80 and 9,889.92

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Solution

The fourth proportional to 36,185.04, 54,280.80 and 9,889.92 is: 14,835.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,185.04 : 54,280.80 = 9,889.92 : x
  2. Step 2: Convert to fraction form
    36,185.04/54,280.80 = 9,889.92/x
  3. Step 3: Cross multiply
    36,185.04x = 54,280.80 × 9,889.92
  4. Step 4: Simplify right side
    36,185.04x = 536,832,769.54
  5. Step 5: Solve for x
    x = 536,832,769.54/36,185.04
  6. Step 6: Final answer
    x = 14,835.77

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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.