Home / 56,270.92-77,486.70-40,327.96

Finding the Fourth Proportional to 56,270.92, 77,486.70 and 40,327.96

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Solution

The fourth proportional to 56,270.92, 77,486.70 and 40,327.96 is: 55,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,270.92 : 77,486.70 = 40,327.96 : x
  2. Step 2: Convert to fraction form
    56,270.92/77,486.70 = 40,327.96/x
  3. Step 3: Cross multiply
    56,270.92x = 77,486.70 × 40,327.96
  4. Step 4: Simplify right side
    56,270.92x = 3,124,880,538.13
  5. Step 5: Solve for x
    x = 3,124,880,538.13/56,270.92
  6. Step 6: Final answer
    x = 55,532.78

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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.