Home / 36,089.18-54,119.90-12,392.32

Finding the Fourth Proportional to 36,089.18, 54,119.90 and 12,392.32

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Solution

The fourth proportional to 36,089.18, 54,119.90 and 12,392.32 is: 18,583.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,089.18 : 54,119.90 = 12,392.32 : x
  2. Step 2: Convert to fraction form
    36,089.18/54,119.90 = 12,392.32/x
  3. Step 3: Cross multiply
    36,089.18x = 54,119.90 × 12,392.32
  4. Step 4: Simplify right side
    36,089.18x = 670,671,119.17
  5. Step 5: Solve for x
    x = 670,671,119.17/36,089.18
  6. Step 6: Final answer
    x = 18,583.72

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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.