Home / 31,126.16-46,691.89-13,357.60

Finding the Fourth Proportional to 31,126.16, 46,691.89 and 13,357.60

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Solution

The fourth proportional to 31,126.16, 46,691.89 and 13,357.60 is: 20,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,126.16 : 46,691.89 = 13,357.60 : x
  2. Step 2: Convert to fraction form
    31,126.16/46,691.89 = 13,357.60/x
  3. Step 3: Cross multiply
    31,126.16x = 46,691.89 × 13,357.60
  4. Step 4: Simplify right side
    31,126.16x = 623,691,439.74
  5. Step 5: Solve for x
    x = 623,691,439.74/31,126.16
  6. Step 6: Final answer
    x = 20,037.53

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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.