Home / 39,470.58-54,467.40-21,562.09

Finding the Fourth Proportional to 39,470.58, 54,467.40 and 21,562.09

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Solution

The fourth proportional to 39,470.58, 54,467.40 and 21,562.09 is: 29,754.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,470.58 : 54,467.40 = 21,562.09 : x
  2. Step 2: Convert to fraction form
    39,470.58/54,467.40 = 21,562.09/x
  3. Step 3: Cross multiply
    39,470.58x = 54,467.40 × 21,562.09
  4. Step 4: Simplify right side
    39,470.58x = 1,174,430,980.87
  5. Step 5: Solve for x
    x = 1,174,430,980.87/39,470.58
  6. Step 6: Final answer
    x = 29,754.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.