Home / 56,958.31-78,595.73-31,463.15

Finding the Fourth Proportional to 56,958.31, 78,595.73 and 31,463.15

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Solution

The fourth proportional to 56,958.31, 78,595.73 and 31,463.15 is: 43,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,958.31 : 78,595.73 = 31,463.15 : x
  2. Step 2: Convert to fraction form
    56,958.31/78,595.73 = 31,463.15/x
  3. Step 3: Cross multiply
    56,958.31x = 78,595.73 × 31,463.15
  4. Step 4: Simplify right side
    56,958.31x = 2,472,868,692.06
  5. Step 5: Solve for x
    x = 2,472,868,692.06/56,958.31
  6. Step 6: Final answer
    x = 43,415.42

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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.