Home / 36,814.56-55,210.80-13,117.86

Finding the Fourth Proportional to 36,814.56, 55,210.80 and 13,117.86

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Solution

The fourth proportional to 36,814.56, 55,210.80 and 13,117.86 is: 19,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,814.56 : 55,210.80 = 13,117.86 : x
  2. Step 2: Convert to fraction form
    36,814.56/55,210.80 = 13,117.86/x
  3. Step 3: Cross multiply
    36,814.56x = 55,210.80 × 13,117.86
  4. Step 4: Simplify right side
    36,814.56x = 724,247,544.89
  5. Step 5: Solve for x
    x = 724,247,544.89/36,814.56
  6. Step 6: Final answer
    x = 19,672.86

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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.