Home / 39,470.45-54,470.27-21,566.21

Finding the Fourth Proportional to 39,470.45, 54,470.27 and 21,566.21

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Solution

The fourth proportional to 39,470.45, 54,470.27 and 21,566.21 is: 29,761.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,470.45 : 54,470.27 = 21,566.21 : x
  2. Step 2: Convert to fraction form
    39,470.45/54,470.27 = 21,566.21/x
  3. Step 3: Cross multiply
    39,470.45x = 54,470.27 × 21,566.21
  4. Step 4: Simplify right side
    39,470.45x = 1,174,717,063.14
  5. Step 5: Solve for x
    x = 1,174,717,063.14/39,470.45
  6. Step 6: Final answer
    x = 29,761.94

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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.