Home / 39,439.44-54,426.01-21,534.39

Finding the Fourth Proportional to 39,439.44, 54,426.01 and 21,534.39

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Solution

The fourth proportional to 39,439.44, 54,426.01 and 21,534.39 is: 29,717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,439.44 : 54,426.01 = 21,534.39 : x
  2. Step 2: Convert to fraction form
    39,439.44/54,426.01 = 21,534.39/x
  3. Step 3: Cross multiply
    39,439.44x = 54,426.01 × 21,534.39
  4. Step 4: Simplify right side
    39,439.44x = 1,172,030,925.48
  5. Step 5: Solve for x
    x = 1,172,030,925.48/39,439.44
  6. Step 6: Final answer
    x = 29,717.23

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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.