Home / 46,519.12-64,220.22-31,491.28

Finding the Fourth Proportional to 46,519.12, 64,220.22 and 31,491.28

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Solution

The fourth proportional to 46,519.12, 64,220.22 and 31,491.28 is: 43,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,519.12 : 64,220.22 = 31,491.28 : x
  2. Step 2: Convert to fraction form
    46,519.12/64,220.22 = 31,491.28/x
  3. Step 3: Cross multiply
    46,519.12x = 64,220.22 × 31,491.28
  4. Step 4: Simplify right side
    46,519.12x = 2,022,376,929.68
  5. Step 5: Solve for x
    x = 2,022,376,929.68/46,519.12
  6. Step 6: Final answer
    x = 43,474.10

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1.5x scale

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.