Home / 36,269.20-54,403.80-31,409.20

Finding the Fourth Proportional to 36,269.20, 54,403.80 and 31,409.20

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Solution

The fourth proportional to 36,269.20, 54,403.80 and 31,409.20 is: 47,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,269.20 : 54,403.80 = 31,409.20 : x
  2. Step 2: Convert to fraction form
    36,269.20/54,403.80 = 31,409.20/x
  3. Step 3: Cross multiply
    36,269.20x = 54,403.80 × 31,409.20
  4. Step 4: Simplify right side
    36,269.20x = 1,708,779,834.96
  5. Step 5: Solve for x
    x = 1,708,779,834.96/36,269.20
  6. Step 6: Final answer
    x = 47,113.80

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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.