Home / 30,856.51-46,275.20-11,132.51

Finding the Fourth Proportional to 30,856.51, 46,275.20 and 11,132.51

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Solution

The fourth proportional to 30,856.51, 46,275.20 and 11,132.51 is: 16,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856.51 : 46,275.20 = 11,132.51 : x
  2. Step 2: Convert to fraction form
    30,856.51/46,275.20 = 11,132.51/x
  3. Step 3: Cross multiply
    30,856.51x = 46,275.20 × 11,132.51
  4. Step 4: Simplify right side
    30,856.51x = 515,159,126.75
  5. Step 5: Solve for x
    x = 515,159,126.75/30,856.51
  6. Step 6: Final answer
    x = 16,695.31

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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.