Home / 39,374.08-54,337.37-21,470.24

Finding the Fourth Proportional to 39,374.08, 54,337.37 and 21,470.24

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Solution

The fourth proportional to 39,374.08, 54,337.37 and 21,470.24 is: 29,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,374.08 : 54,337.37 = 21,470.24 : x
  2. Step 2: Convert to fraction form
    39,374.08/54,337.37 = 21,470.24/x
  3. Step 3: Cross multiply
    39,374.08x = 54,337.37 × 21,470.24
  4. Step 4: Simplify right side
    39,374.08x = 1,166,636,403.36
  5. Step 5: Solve for x
    x = 1,166,636,403.36/39,374.08
  6. Step 6: Final answer
    x = 29,629.56

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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.