Home / 56,768.65-78,346.85-31,277.58

Finding the Fourth Proportional to 56,768.65, 78,346.85 and 31,277.58

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Solution

The fourth proportional to 56,768.65, 78,346.85 and 31,277.58 is: 43,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,768.65 : 78,346.85 = 31,277.58 : x
  2. Step 2: Convert to fraction form
    56,768.65/78,346.85 = 31,277.58/x
  3. Step 3: Cross multiply
    56,768.65x = 78,346.85 × 31,277.58
  4. Step 4: Simplify right side
    56,768.65x = 2,450,499,418.43
  5. Step 5: Solve for x
    x = 2,450,499,418.43/56,768.65
  6. Step 6: Final answer
    x = 43,166.42

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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.