Home / 36,309.18-54,346.56-18,754.86

Finding the Fourth Proportional to 36,309.18, 54,346.56 and 18,754.86

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Solution

The fourth proportional to 36,309.18, 54,346.56 and 18,754.86 is: 28,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.18 : 54,346.56 = 18,754.86 : x
  2. Step 2: Convert to fraction form
    36,309.18/54,346.56 = 18,754.86/x
  3. Step 3: Cross multiply
    36,309.18x = 54,346.56 × 18,754.86
  4. Step 4: Simplify right side
    36,309.18x = 1,019,262,124.28
  5. Step 5: Solve for x
    x = 1,019,262,124.28/36,309.18
  6. Step 6: Final answer
    x = 28,071.75

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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.