Home / 43,225.79-64,846.51-21,039.14

Finding the Fourth Proportional to 43,225.79, 64,846.51 and 21,039.14

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Solution

The fourth proportional to 43,225.79, 64,846.51 and 21,039.14 is: 31,562.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,225.79 : 64,846.51 = 21,039.14 : x
  2. Step 2: Convert to fraction form
    43,225.79/64,846.51 = 21,039.14/x
  3. Step 3: Cross multiply
    43,225.79x = 64,846.51 × 21,039.14
  4. Step 4: Simplify right side
    43,225.79x = 1,364,314,911.92
  5. Step 5: Solve for x
    x = 1,364,314,911.92/43,225.79
  6. Step 6: Final answer
    x = 31,562.52

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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.