Home / 31,228.74-46,849.38-11,507.40

Finding the Fourth Proportional to 31,228.74, 46,849.38 and 11,507.40

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Solution

The fourth proportional to 31,228.74, 46,849.38 and 11,507.40 is: 17,263.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,228.74 : 46,849.38 = 11,507.40 : x
  2. Step 2: Convert to fraction form
    31,228.74/46,849.38 = 11,507.40/x
  3. Step 3: Cross multiply
    31,228.74x = 46,849.38 × 11,507.40
  4. Step 4: Simplify right side
    31,228.74x = 539,114,555.41
  5. Step 5: Solve for x
    x = 539,114,555.41/31,228.74
  6. Step 6: Final answer
    x = 17,263.41

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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.