Home / 31,151.40-46,734.96-8,964.28

Finding the Fourth Proportional to 31,151.40, 46,734.96 and 8,964.28

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Solution

The fourth proportional to 31,151.40, 46,734.96 and 8,964.28 is: 13,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,151.40 : 46,734.96 = 8,964.28 : x
  2. Step 2: Convert to fraction form
    31,151.40/46,734.96 = 8,964.28/x
  3. Step 3: Cross multiply
    31,151.40x = 46,734.96 × 8,964.28
  4. Step 4: Simplify right side
    31,151.40x = 418,945,267.23
  5. Step 5: Solve for x
    x = 418,945,267.23/31,151.40
  6. Step 6: Final answer
    x = 13,448.68

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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.