Home / 35,218.86-52,811.57-20,432.31

Finding the Fourth Proportional to 35,218.86, 52,811.57 and 20,432.31

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Solution

The fourth proportional to 35,218.86, 52,811.57 and 20,432.31 is: 30,638.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,218.86 : 52,811.57 = 20,432.31 : x
  2. Step 2: Convert to fraction form
    35,218.86/52,811.57 = 20,432.31/x
  3. Step 3: Cross multiply
    35,218.86x = 52,811.57 × 20,432.31
  4. Step 4: Simplify right side
    35,218.86x = 1,079,062,267.67
  5. Step 5: Solve for x
    x = 1,079,062,267.67/35,218.86
  6. Step 6: Final answer
    x = 30,638.76

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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.