Home / 46,590.30-64,250.10-31,311.36

Finding the Fourth Proportional to 46,590.30, 64,250.10 and 31,311.36

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Solution

The fourth proportional to 46,590.30, 64,250.10 and 31,311.36 is: 43,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,590.30 : 64,250.10 = 31,311.36 : x
  2. Step 2: Convert to fraction form
    46,590.30/64,250.10 = 31,311.36/x
  3. Step 3: Cross multiply
    46,590.30x = 64,250.10 × 31,311.36
  4. Step 4: Simplify right side
    46,590.30x = 2,011,758,011.14
  5. Step 5: Solve for x
    x = 2,011,758,011.14/46,590.30
  6. Step 6: Final answer
    x = 43,179.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.