Home / 30,881.13-46,335.20-13,362.45

Finding the Fourth Proportional to 30,881.13, 46,335.20 and 13,362.45

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Solution

The fourth proportional to 30,881.13, 46,335.20 and 13,362.45 is: 20,049.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.13 : 46,335.20 = 13,362.45 : x
  2. Step 2: Convert to fraction form
    30,881.13/46,335.20 = 13,362.45/x
  3. Step 3: Cross multiply
    30,881.13x = 46,335.20 × 13,362.45
  4. Step 4: Simplify right side
    30,881.13x = 619,151,726.43
  5. Step 5: Solve for x
    x = 619,151,726.43/30,881.13
  6. Step 6: Final answer
    x = 20,049.52

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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.