Home / 45,043.04-67,575.57-31,741.98

Finding the Fourth Proportional to 45,043.04, 67,575.57 and 31,741.98

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Solution

The fourth proportional to 45,043.04, 67,575.57 and 31,741.98 is: 47,620.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,043.04 : 67,575.57 = 31,741.98 : x
  2. Step 2: Convert to fraction form
    45,043.04/67,575.57 = 31,741.98/x
  3. Step 3: Cross multiply
    45,043.04x = 67,575.57 × 31,741.98
  4. Step 4: Simplify right side
    45,043.04x = 2,144,982,018.99
  5. Step 5: Solve for x
    x = 2,144,982,018.99/45,043.04
  6. Step 6: Final answer
    x = 47,620.72

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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.