Home / 43,057.14-64,525.56-20,864.63

Finding the Fourth Proportional to 43,057.14, 64,525.56 and 20,864.63

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Solution

The fourth proportional to 43,057.14, 64,525.56 and 20,864.63 is: 31,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,057.14 : 64,525.56 = 20,864.63 : x
  2. Step 2: Convert to fraction form
    43,057.14/64,525.56 = 20,864.63/x
  3. Step 3: Cross multiply
    43,057.14x = 64,525.56 × 20,864.63
  4. Step 4: Simplify right side
    43,057.14x = 1,346,301,934.94
  5. Step 5: Solve for x
    x = 1,346,301,934.94/43,057.14
  6. Step 6: Final answer
    x = 31,267.80

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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.