Home / 43,301.80-64,953.15-15,222.64

Finding the Fourth Proportional to 43,301.80, 64,953.15 and 15,222.64

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Solution

The fourth proportional to 43,301.80, 64,953.15 and 15,222.64 is: 22,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,301.80 : 64,953.15 = 15,222.64 : x
  2. Step 2: Convert to fraction form
    43,301.80/64,953.15 = 15,222.64/x
  3. Step 3: Cross multiply
    43,301.80x = 64,953.15 × 15,222.64
  4. Step 4: Simplify right side
    43,301.80x = 988,758,419.32
  5. Step 5: Solve for x
    x = 988,758,419.32/43,301.80
  6. Step 6: Final answer
    x = 22,834.12

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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.