Home / 39,322.53-54,266.36-21,418.29

Finding the Fourth Proportional to 39,322.53, 54,266.36 and 21,418.29

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Solution

The fourth proportional to 39,322.53, 54,266.36 and 21,418.29 is: 29,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,322.53 : 54,266.36 = 21,418.29 : x
  2. Step 2: Convert to fraction form
    39,322.53/54,266.36 = 21,418.29/x
  3. Step 3: Cross multiply
    39,322.53x = 54,266.36 × 21,418.29
  4. Step 4: Simplify right side
    39,322.53x = 1,162,292,528.63
  5. Step 5: Solve for x
    x = 1,162,292,528.63/39,322.53
  6. Step 6: Final answer
    x = 29,557.93

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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.