Home / 52,653.97-78,989.16-31,589.06

Finding the Fourth Proportional to 52,653.97, 78,989.16 and 31,589.06

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Solution

The fourth proportional to 52,653.97, 78,989.16 and 31,589.06 is: 47,388.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653.97 : 78,989.16 = 31,589.06 : x
  2. Step 2: Convert to fraction form
    52,653.97/78,989.16 = 31,589.06/x
  3. Step 3: Cross multiply
    52,653.97x = 78,989.16 × 31,589.06
  4. Step 4: Simplify right side
    52,653.97x = 2,495,193,314.59
  5. Step 5: Solve for x
    x = 2,495,193,314.59/52,653.97
  6. Step 6: Final answer
    x = 47,388.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.