Home / 39,322.43-54,265.40-21,417.58

Finding the Fourth Proportional to 39,322.43, 54,265.40 and 21,417.58

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Solution

The fourth proportional to 39,322.43, 54,265.40 and 21,417.58 is: 29,556.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,322.43 : 54,265.40 = 21,417.58 : x
  2. Step 2: Convert to fraction form
    39,322.43/54,265.40 = 21,417.58/x
  3. Step 3: Cross multiply
    39,322.43x = 54,265.40 × 21,417.58
  4. Step 4: Simplify right side
    39,322.43x = 1,162,233,586.79
  5. Step 5: Solve for x
    x = 1,162,233,586.79/39,322.43
  6. Step 6: Final answer
    x = 29,556.51

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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.