Home / 56,927.66-78,556.01-31,429.89

Finding the Fourth Proportional to 56,927.66, 78,556.01 and 31,429.89

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Solution

The fourth proportional to 56,927.66, 78,556.01 and 31,429.89 is: 43,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,927.66 : 78,556.01 = 31,429.89 : x
  2. Step 2: Convert to fraction form
    56,927.66/78,556.01 = 31,429.89/x
  3. Step 3: Cross multiply
    56,927.66x = 78,556.01 × 31,429.89
  4. Step 4: Simplify right side
    56,927.66x = 2,469,006,595.99
  5. Step 5: Solve for x
    x = 2,469,006,595.99/56,927.66
  6. Step 6: Final answer
    x = 43,370.95

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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.