Home / 56,652.94-78,179.40-31,159.29

Finding the Fourth Proportional to 56,652.94, 78,179.40 and 31,159.29

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Solution

The fourth proportional to 56,652.94, 78,179.40 and 31,159.29 is: 42,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,652.94 : 78,179.40 = 31,159.29 : x
  2. Step 2: Convert to fraction form
    56,652.94/78,179.40 = 31,159.29/x
  3. Step 3: Cross multiply
    56,652.94x = 78,179.40 × 31,159.29
  4. Step 4: Simplify right side
    56,652.94x = 2,436,014,596.63
  5. Step 5: Solve for x
    x = 2,436,014,596.63/56,652.94
  6. Step 6: Final answer
    x = 42,998.91

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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.