Home / 56,237.12-77,604.18-31,085

Finding the Fourth Proportional to 56,237.12, 77,604.18 and 31,085

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Solution

The fourth proportional to 56,237.12, 77,604.18 and 31,085 is: 42,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,237.12 : 77,604.18 = 31,085 : x
  2. Step 2: Convert to fraction form
    56,237.12/77,604.18 = 31,085/x
  3. Step 3: Cross multiply
    56,237.12x = 77,604.18 × 31,085
  4. Step 4: Simplify right side
    56,237.12x = 2,412,325,935.30
  5. Step 5: Solve for x
    x = 2,412,325,935.30/56,237.12
  6. Step 6: Final answer
    x = 42,895.62

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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.