Home / 53,160.56-79,714.76-30,361.76

Finding the Fourth Proportional to 53,160.56, 79,714.76 and 30,361.76

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Solution

The fourth proportional to 53,160.56, 79,714.76 and 30,361.76 is: 45,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,160.56 : 79,714.76 = 30,361.76 : x
  2. Step 2: Convert to fraction form
    53,160.56/79,714.76 = 30,361.76/x
  3. Step 3: Cross multiply
    53,160.56x = 79,714.76 × 30,361.76
  4. Step 4: Simplify right side
    53,160.56x = 2,420,280,411.58
  5. Step 5: Solve for x
    x = 2,420,280,411.58/53,160.56
  6. Step 6: Final answer
    x = 45,527.74

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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.