Home / 31,131.25-46,697.28-10,354.75

Finding the Fourth Proportional to 31,131.25, 46,697.28 and 10,354.75

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Solution

The fourth proportional to 31,131.25, 46,697.28 and 10,354.75 is: 15,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131.25 : 46,697.28 = 10,354.75 : x
  2. Step 2: Convert to fraction form
    31,131.25/46,697.28 = 10,354.75/x
  3. Step 3: Cross multiply
    31,131.25x = 46,697.28 × 10,354.75
  4. Step 4: Simplify right side
    31,131.25x = 483,538,660.08
  5. Step 5: Solve for x
    x = 483,538,660.08/31,131.25
  6. Step 6: Final answer
    x = 15,532.26

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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.