Home / 39,208.14-54,107.46-21,303.29

Finding the Fourth Proportional to 39,208.14, 54,107.46 and 21,303.29

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Solution

The fourth proportional to 39,208.14, 54,107.46 and 21,303.29 is: 29,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,208.14 : 54,107.46 = 21,303.29 : x
  2. Step 2: Convert to fraction form
    39,208.14/54,107.46 = 21,303.29/x
  3. Step 3: Cross multiply
    39,208.14x = 54,107.46 × 21,303.29
  4. Step 4: Simplify right side
    39,208.14x = 1,152,666,911.54
  5. Step 5: Solve for x
    x = 1,152,666,911.54/39,208.14
  6. Step 6: Final answer
    x = 29,398.66

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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.