Home / 56,347.99-84,554.79-21,290.38

Finding the Fourth Proportional to 56,347.99, 84,554.79 and 21,290.38

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Solution

The fourth proportional to 56,347.99, 84,554.79 and 21,290.38 is: 31,947.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,347.99 : 84,554.79 = 21,290.38 : x
  2. Step 2: Convert to fraction form
    56,347.99/84,554.79 = 21,290.38/x
  3. Step 3: Cross multiply
    56,347.99x = 84,554.79 × 21,290.38
  4. Step 4: Simplify right side
    56,347.99x = 1,800,203,609.92
  5. Step 5: Solve for x
    x = 1,800,203,609.92/56,347.99
  6. Step 6: Final answer
    x = 31,947.96

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1.5x scale

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.