Home / 56,903.38-78,534.57-31,754.50

Finding the Fourth Proportional to 56,903.38, 78,534.57 and 31,754.50

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Solution

The fourth proportional to 56,903.38, 78,534.57 and 31,754.50 is: 43,825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,903.38 : 78,534.57 = 31,754.50 : x
  2. Step 2: Convert to fraction form
    56,903.38/78,534.57 = 31,754.50/x
  3. Step 3: Cross multiply
    56,903.38x = 78,534.57 × 31,754.50
  4. Step 4: Simplify right side
    56,903.38x = 2,493,826,003.07
  5. Step 5: Solve for x
    x = 2,493,826,003.07/56,903.38
  6. Step 6: Final answer
    x = 43,825.62

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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.