Home / 43,018.68-64,455.22-26,343.90

Finding the Fourth Proportional to 43,018.68, 64,455.22 and 26,343.90

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Solution

The fourth proportional to 43,018.68, 64,455.22 and 26,343.90 is: 39,471.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,018.68 : 64,455.22 = 26,343.90 : x
  2. Step 2: Convert to fraction form
    43,018.68/64,455.22 = 26,343.90/x
  3. Step 3: Cross multiply
    43,018.68x = 64,455.22 × 26,343.90
  4. Step 4: Simplify right side
    43,018.68x = 1,698,001,870.16
  5. Step 5: Solve for x
    x = 1,698,001,870.16/43,018.68
  6. Step 6: Final answer
    x = 39,471.27

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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.