Home / 39,322.62-54,264.93-21,417.57

Finding the Fourth Proportional to 39,322.62, 54,264.93 and 21,417.57

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Solution

The fourth proportional to 39,322.62, 54,264.93 and 21,417.57 is: 29,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,322.62 : 54,264.93 = 21,417.57 : x
  2. Step 2: Convert to fraction form
    39,322.62/54,264.93 = 21,417.57/x
  3. Step 3: Cross multiply
    39,322.62x = 54,264.93 × 21,417.57
  4. Step 4: Simplify right side
    39,322.62x = 1,162,222,936.82
  5. Step 5: Solve for x
    x = 1,162,222,936.82/39,322.62
  6. Step 6: Final answer
    x = 29,556.09

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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.