Home / 30,343.29-45,531.27-29,238.72

Finding the Fourth Proportional to 30,343.29, 45,531.27 and 29,238.72

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Solution

The fourth proportional to 30,343.29, 45,531.27 and 29,238.72 is: 43,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.29 : 45,531.27 = 29,238.72 : x
  2. Step 2: Convert to fraction form
    30,343.29/45,531.27 = 29,238.72/x
  3. Step 3: Cross multiply
    30,343.29x = 45,531.27 × 29,238.72
  4. Step 4: Simplify right side
    30,343.29x = 1,331,276,054.77
  5. Step 5: Solve for x
    x = 1,331,276,054.77/30,343.29
  6. Step 6: Final answer
    x = 43,873.82

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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.