Home / 36,077.68-54,119.18-12,386.96

Finding the Fourth Proportional to 36,077.68, 54,119.18 and 12,386.96

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Solution

The fourth proportional to 36,077.68, 54,119.18 and 12,386.96 is: 18,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077.68 : 54,119.18 = 12,386.96 : x
  2. Step 2: Convert to fraction form
    36,077.68/54,119.18 = 12,386.96/x
  3. Step 3: Cross multiply
    36,077.68x = 54,119.18 × 12,386.96
  4. Step 4: Simplify right side
    36,077.68x = 670,372,117.89
  5. Step 5: Solve for x
    x = 670,372,117.89/36,077.68
  6. Step 6: Final answer
    x = 18,581.35

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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.