Home / 36,011.68-54,020.76-18,470.32

Finding the Fourth Proportional to 36,011.68, 54,020.76 and 18,470.32

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Solution

The fourth proportional to 36,011.68, 54,020.76 and 18,470.32 is: 27,707.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,011.68 : 54,020.76 = 18,470.32 : x
  2. Step 2: Convert to fraction form
    36,011.68/54,020.76 = 18,470.32/x
  3. Step 3: Cross multiply
    36,011.68x = 54,020.76 × 18,470.32
  4. Step 4: Simplify right side
    36,011.68x = 997,780,723.84
  5. Step 5: Solve for x
    x = 997,780,723.84/36,011.68
  6. Step 6: Final answer
    x = 27,707.14

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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.