Home / 56,671.65-78,208.98-31,179.12

Finding the Fourth Proportional to 56,671.65, 78,208.98 and 31,179.12

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Solution

The fourth proportional to 56,671.65, 78,208.98 and 31,179.12 is: 43,028.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,671.65 : 78,208.98 = 31,179.12 : x
  2. Step 2: Convert to fraction form
    56,671.65/78,208.98 = 31,179.12/x
  3. Step 3: Cross multiply
    56,671.65x = 78,208.98 × 31,179.12
  4. Step 4: Simplify right side
    56,671.65x = 2,438,487,016.60
  5. Step 5: Solve for x
    x = 2,438,487,016.60/56,671.65
  6. Step 6: Final answer
    x = 43,028.34

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1.5x scale

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.