Home / 31,049.16-46,525.14-12,319.08

Finding the Fourth Proportional to 31,049.16, 46,525.14 and 12,319.08

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Solution

The fourth proportional to 31,049.16, 46,525.14 and 12,319.08 is: 18,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,049.16 : 46,525.14 = 12,319.08 : x
  2. Step 2: Convert to fraction form
    31,049.16/46,525.14 = 12,319.08/x
  3. Step 3: Cross multiply
    31,049.16x = 46,525.14 × 12,319.08
  4. Step 4: Simplify right side
    31,049.16x = 573,146,921.67
  5. Step 5: Solve for x
    x = 573,146,921.67/31,049.16
  6. Step 6: Final answer
    x = 18,459.34

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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.