Home / 45,011.57-67,517.96-42,271.74

Finding the Fourth Proportional to 45,011.57, 67,517.96 and 42,271.74

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Solution

The fourth proportional to 45,011.57, 67,517.96 and 42,271.74 is: 63,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,011.57 : 67,517.96 = 42,271.74 : x
  2. Step 2: Convert to fraction form
    45,011.57/67,517.96 = 42,271.74/x
  3. Step 3: Cross multiply
    45,011.57x = 67,517.96 × 42,271.74
  4. Step 4: Simplify right side
    45,011.57x = 2,854,101,439.09
  5. Step 5: Solve for x
    x = 2,854,101,439.09/45,011.57
  6. Step 6: Final answer
    x = 63,408.18

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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.