Home / 31,139.68-46,710.96-8,952.56

Finding the Fourth Proportional to 31,139.68, 46,710.96 and 8,952.56

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Solution

The fourth proportional to 31,139.68, 46,710.96 and 8,952.56 is: 13,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,139.68 : 46,710.96 = 8,952.56 : x
  2. Step 2: Convert to fraction form
    31,139.68/46,710.96 = 8,952.56/x
  3. Step 3: Cross multiply
    31,139.68x = 46,710.96 × 8,952.56
  4. Step 4: Simplify right side
    31,139.68x = 418,182,672.06
  5. Step 5: Solve for x
    x = 418,182,672.06/31,139.68
  6. Step 6: Final answer
    x = 13,429.25

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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.