Home / 46,679.12-64,419.72-29,940.56

Finding the Fourth Proportional to 46,679.12, 64,419.72 and 29,940.56

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Solution

The fourth proportional to 46,679.12, 64,419.72 and 29,940.56 is: 41,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,679.12 : 64,419.72 = 29,940.56 : x
  2. Step 2: Convert to fraction form
    46,679.12/64,419.72 = 29,940.56/x
  3. Step 3: Cross multiply
    46,679.12x = 64,419.72 × 29,940.56
  4. Step 4: Simplify right side
    46,679.12x = 1,928,762,491.84
  5. Step 5: Solve for x
    x = 1,928,762,491.84/46,679.12
  6. Step 6: Final answer
    x = 41,319.60

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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.