Home / 39,351.06-54,302.87-21,445.68

Finding the Fourth Proportional to 39,351.06, 54,302.87 and 21,445.68

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Solution

The fourth proportional to 39,351.06, 54,302.87 and 21,445.68 is: 29,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.06 : 54,302.87 = 21,445.68 : x
  2. Step 2: Convert to fraction form
    39,351.06/54,302.87 = 21,445.68/x
  3. Step 3: Cross multiply
    39,351.06x = 54,302.87 × 21,445.68
  4. Step 4: Simplify right side
    39,351.06x = 1,164,561,865.87
  5. Step 5: Solve for x
    x = 1,164,561,865.87/39,351.06
  6. Step 6: Final answer
    x = 29,594.17

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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.