Home / 39,607.48-54,660.42-21,703.24

Finding the Fourth Proportional to 39,607.48, 54,660.42 and 21,703.24

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Solution

The fourth proportional to 39,607.48, 54,660.42 and 21,703.24 is: 29,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,607.48 : 54,660.42 = 21,703.24 : x
  2. Step 2: Convert to fraction form
    39,607.48/54,660.42 = 21,703.24/x
  3. Step 3: Cross multiply
    39,607.48x = 54,660.42 × 21,703.24
  4. Step 4: Simplify right side
    39,607.48x = 1,186,308,282.09
  5. Step 5: Solve for x
    x = 1,186,308,282.09/39,607.48
  6. Step 6: Final answer
    x = 29,951.62

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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.