Home / 39,426.22-54,409.47-21,522.18

Finding the Fourth Proportional to 39,426.22, 54,409.47 and 21,522.18

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Solution

The fourth proportional to 39,426.22, 54,409.47 and 21,522.18 is: 29,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,426.22 : 54,409.47 = 21,522.18 : x
  2. Step 2: Convert to fraction form
    39,426.22/54,409.47 = 21,522.18/x
  3. Step 3: Cross multiply
    39,426.22x = 54,409.47 × 21,522.18
  4. Step 4: Simplify right side
    39,426.22x = 1,171,010,027.39
  5. Step 5: Solve for x
    x = 1,171,010,027.39/39,426.22
  6. Step 6: Final answer
    x = 29,701.30

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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.