Home / 39,351.36-54,303.49-21,446.01

Finding the Fourth Proportional to 39,351.36, 54,303.49 and 21,446.01

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Solution

The fourth proportional to 39,351.36, 54,303.49 and 21,446.01 is: 29,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.36 : 54,303.49 = 21,446.01 : x
  2. Step 2: Convert to fraction form
    39,351.36/54,303.49 = 21,446.01/x
  3. Step 3: Cross multiply
    39,351.36x = 54,303.49 × 21,446.01
  4. Step 4: Simplify right side
    39,351.36x = 1,164,593,135.96
  5. Step 5: Solve for x
    x = 1,164,593,135.96/39,351.36
  6. Step 6: Final answer
    x = 29,594.74

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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.