Home / 57,029.66-78,701.45-31,537.76

Finding the Fourth Proportional to 57,029.66, 78,701.45 and 31,537.76

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Solution

The fourth proportional to 57,029.66, 78,701.45 and 31,537.76 is: 43,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,029.66 : 78,701.45 = 31,537.76 : x
  2. Step 2: Convert to fraction form
    57,029.66/78,701.45 = 31,537.76/x
  3. Step 3: Cross multiply
    57,029.66x = 78,701.45 × 31,537.76
  4. Step 4: Simplify right side
    57,029.66x = 2,482,066,890.56
  5. Step 5: Solve for x
    x = 2,482,066,890.56/57,029.66
  6. Step 6: Final answer
    x = 43,522.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.