Home / 31,159.36-46,739.28-10,382.84

Finding the Fourth Proportional to 31,159.36, 46,739.28 and 10,382.84

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Solution

The fourth proportional to 31,159.36, 46,739.28 and 10,382.84 is: 15,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159.36 : 46,739.28 = 10,382.84 : x
  2. Step 2: Convert to fraction form
    31,159.36/46,739.28 = 10,382.84/x
  3. Step 3: Cross multiply
    31,159.36x = 46,739.28 × 10,382.84
  4. Step 4: Simplify right side
    31,159.36x = 485,286,465.96
  5. Step 5: Solve for x
    x = 485,286,465.96/31,159.36
  6. Step 6: Final answer
    x = 15,574.34

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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.