Home / 52,631.45-78,966.77-31,586.58

Finding the Fourth Proportional to 52,631.45, 78,966.77 and 31,586.58

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Solution

The fourth proportional to 52,631.45, 78,966.77 and 31,586.58 is: 47,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,631.45 : 78,966.77 = 31,586.58 : x
  2. Step 2: Convert to fraction form
    52,631.45/78,966.77 = 31,586.58/x
  3. Step 3: Cross multiply
    52,631.45x = 78,966.77 × 31,586.58
  4. Step 4: Simplify right side
    52,631.45x = 2,494,290,528.62
  5. Step 5: Solve for x
    x = 2,494,290,528.62/52,631.45
  6. Step 6: Final answer
    x = 47,391.64

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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.