Home / 31,292.42-46,945.58-9,107.55

Finding the Fourth Proportional to 31,292.42, 46,945.58 and 9,107.55

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Solution

The fourth proportional to 31,292.42, 46,945.58 and 9,107.55 is: 13,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292.42 : 46,945.58 = 9,107.55 : x
  2. Step 2: Convert to fraction form
    31,292.42/46,945.58 = 9,107.55/x
  3. Step 3: Cross multiply
    31,292.42x = 46,945.58 × 9,107.55
  4. Step 4: Simplify right side
    31,292.42x = 427,559,171.59
  5. Step 5: Solve for x
    x = 427,559,171.59/31,292.42
  6. Step 6: Final answer
    x = 13,663.35

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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.