Home / 31,080.24-46,641.89-12,358.35

Finding the Fourth Proportional to 31,080.24, 46,641.89 and 12,358.35

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Solution

The fourth proportional to 31,080.24, 46,641.89 and 12,358.35 is: 18,546.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,080.24 : 46,641.89 = 12,358.35 : x
  2. Step 2: Convert to fraction form
    31,080.24/46,641.89 = 12,358.35/x
  3. Step 3: Cross multiply
    31,080.24x = 46,641.89 × 12,358.35
  4. Step 4: Simplify right side
    31,080.24x = 576,416,727.07
  5. Step 5: Solve for x
    x = 576,416,727.07/31,080.24
  6. Step 6: Final answer
    x = 18,546.08

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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.