Home / 31,104.70-46,643.55-14,459.20

Finding the Fourth Proportional to 31,104.70, 46,643.55 and 14,459.20

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Solution

The fourth proportional to 31,104.70, 46,643.55 and 14,459.20 is: 21,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104.70 : 46,643.55 = 14,459.20 : x
  2. Step 2: Convert to fraction form
    31,104.70/46,643.55 = 14,459.20/x
  3. Step 3: Cross multiply
    31,104.70x = 46,643.55 × 14,459.20
  4. Step 4: Simplify right side
    31,104.70x = 674,428,418.16
  5. Step 5: Solve for x
    x = 674,428,418.16/31,104.70
  6. Step 6: Final answer
    x = 21,682.52

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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.