Home / 39,471.21-54,470.07-21,567.24

Finding the Fourth Proportional to 39,471.21, 54,470.07 and 21,567.24

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Solution

The fourth proportional to 39,471.21, 54,470.07 and 21,567.24 is: 29,762.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.21 : 54,470.07 = 21,567.24 : x
  2. Step 2: Convert to fraction form
    39,471.21/54,470.07 = 21,567.24/x
  3. Step 3: Cross multiply
    39,471.21x = 54,470.07 × 21,567.24
  4. Step 4: Simplify right side
    39,471.21x = 1,174,769,072.51
  5. Step 5: Solve for x
    x = 1,174,769,072.51/39,471.21
  6. Step 6: Final answer
    x = 29,762.68

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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.