Home / 36,188.28-54,282.54-12,815.40

Finding the Fourth Proportional to 36,188.28, 54,282.54 and 12,815.40

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Solution

The fourth proportional to 36,188.28, 54,282.54 and 12,815.40 is: 19,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,188.28 : 54,282.54 = 12,815.40 : x
  2. Step 2: Convert to fraction form
    36,188.28/54,282.54 = 12,815.40/x
  3. Step 3: Cross multiply
    36,188.28x = 54,282.54 × 12,815.40
  4. Step 4: Simplify right side
    36,188.28x = 695,652,463.12
  5. Step 5: Solve for x
    x = 695,652,463.12/36,188.28
  6. Step 6: Final answer
    x = 19,223.14

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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.