Home / 31,325.81-46,999.78-13,797.14

Finding the Fourth Proportional to 31,325.81, 46,999.78 and 13,797.14

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Solution

The fourth proportional to 31,325.81, 46,999.78 and 13,797.14 is: 20,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325.81 : 46,999.78 = 13,797.14 : x
  2. Step 2: Convert to fraction form
    31,325.81/46,999.78 = 13,797.14/x
  3. Step 3: Cross multiply
    31,325.81x = 46,999.78 × 13,797.14
  4. Step 4: Simplify right side
    31,325.81x = 648,462,275.14
  5. Step 5: Solve for x
    x = 648,462,275.14/31,325.81
  6. Step 6: Final answer
    x = 20,700.58

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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.